Rename getline() to procmail_getline() to avoid namespace clash with
POSIX getline(). Fixes FTBFS.

Copied from Debian:
http://sources.debian.net/src/procmail/3.22-24/debian/patches/24/

References:
http://bugs.debian.org/549426

--- a/src/fields.c
+++ b/src/fields.c
@@ -110,16 +110,16 @@
 		    /* try and append one valid field to rdheader from stdin */
 int readhead P((void))
 { int idlen;
-  getline();
+  procmail_getline();
   if((idlen=breakfield(buf,buffilled))<=0) /* not the start of a valid field */
      return 0;
   if(idlen==STRLEN(FROM)&&eqFrom_(buf))			/* it's a From_ line */
    { if(rdheader)
 	return 0;			       /* the From_ line was a fake! */
-     for(;buflast=='>';getline());	    /* gather continued >From_ lines */
+     for(;buflast=='>';procmail_getline());	    /* gather continued >From_ lines */
    }
   else
-     for(;;getline())		      /* get the rest of the continued field */
+     for(;;procmail_getline())		      /* get the rest of the continued field */
       { switch(buflast)			     /* will this line be continued? */
 	 { case ' ':case '\t':				  /* yep, it sure is */
 	      continue;
--- a/src/formail.c
+++ b/src/formail.c
@@ -819,7 +819,7 @@
       { if(split)		       /* gobble up the next start separator */
 	 { buffilled=0;
 #ifdef sMAILBOX_SEPARATOR
-	   getline();buffilled=0;		 /* but only if it's defined */
+	   procmail_getline();buffilled=0;		 /* but only if it's defined */
 #endif
 	   if(buflast!=EOF)					   /* if any */
 	      goto splitit;
--- a/src/formisc.c
+++ b/src/formisc.c
@@ -115,7 +115,7 @@
   buf[buffilled++]=c;
 }
 
-int getline P((void))			   /* read a newline-terminated line */
+int procmail_getline P((void))			   /* read a newline-terminated line */
 { if(buflast==EOF)			 /* at the end of our Latin already? */
    { loadchar('\n');					  /* fake empty line */
      return EOF;					  /* spread the word */
--- a/src/formisc.h
+++ b/src/formisc.h
@@ -17,4 +17,4 @@
 char*
  skipwords P((char*start));
 int
- getline P((void));
+ procmail_getline P((void));
43fd44ef0cbb1df9a'>root</a>/<a href='/guix/log/gnu?id=c3ad3d924c0f9b6a08b5ad443fd44ef0cbb1df9a'>gnu</a>/<a href='/guix/log/gnu/packages?id=c3ad3d924c0f9b6a08b5ad443fd44ef0cbb1df9a'>packages</a>/<a href='/guix/log/gnu/packages/rdf.scm?id=c3ad3d924c0f9b6a08b5ad443fd44ef0cbb1df9a'>rdf.scm</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/guix/log/gnu/packages/rdf.scm?id=c3ad3d924c0f9b6a08b5ad443fd44ef0cbb1df9a&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2019-01-25 13:36:14 +0100'>2019-01-25</span></td><td><a href='/guix/commit/gnu/packages/rdf.scm?id=4255818d1c3993988b3351d57db6e057a867f549'>gnu: python-rdflib: Use PYPI-URI.</a><span class='msg-avail'>...</span></td><td>Ricardo Wurmus</td></tr>
<tr><td><span title='2019-01-16 16:08:22 +0100'>2019-01-16</span></td><td><a href='/guix/commit/gnu/packages/rdf.scm?id=255d1bbe777a824be726edeb9fd47458a3a877a9'>gnu: Move dbm databases to new module.</a><span class='msg-avail'>...</span></td><td>Ricardo Wurmus</td></tr>
<tr><td><span title='2019-01-15 14:46:44 +0100'>2019-01-15</span></td><td><a href='/guix/commit/gnu/packages/rdf.scm?id=44d10b1f722856ab8e9b942804aa7ef33e2ef739'>gnu: Separate Python core packages from the rest.</a><span class='msg-avail'>...</span></td><td>Ricardo Wurmus</td></tr>
<tr><td><span title='2018-12-21 18:07:28 +0100'>2018-12-21</span></td><td><a href='/guix/commit/gnu/packages/rdf.scm?id=aba368192a0b7f8ecdf26c6a4ed31cfb23147b4d'>gnu: python-rdflib: Update to 4.2.2.</a><span class='msg-avail'>...</span></td><td>Pjotr Prins</td></tr>
<tr><td><span title='2018-11-11 11:22:22 +0100'>2018-11-11</span></td><td><a href='/guix/commit/gnu/packages/rdf.scm?id=a69cc70deaa641baa50d580fb1315a69615cc381'>gnu: lrdf: Replace bootstrap phase.</a><span class='msg-avail'>...</span></td><td>Ricardo Wurmus</td></tr>
<tr><td><span title='2018-11-11 11:21:55 +0100'>2018-11-11</span></td><td><a href='/guix/commit/gnu/packages/rdf.scm?id=d212ed2f00e6639c95b4185685617285c8cafdfd'>gnu: lrdf: Fetch sources from git.</a><span class='msg-avail'>...</span></td><td>Ricardo Wurmus</td></tr>
<tr><td><span title='2018-08-15 00:32:14 +0200'>2018-08-15</span></td><td><a href='/guix/commit/gnu/packages/rdf.scm?id=3416f65fbdbf2226247ad8118852bcc8c113955d'>gnu: serd: Update to 0.30.0.</a><span class='msg-avail'>...</span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2018-08-10 01:46:02 +0200'>2018-08-10</span></td><td><a href='/guix/commit/gnu/packages/rdf.scm?id=ad2f7b8cec6d1a9a48bc1dac48ed659d329a2f0a'>gnu: sord: Update to 0.16.2.</a><span class='msg-avail'>...</span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2018-06-22 22:00:24 +0200'>2018-06-22</span></td><td><a href='/guix/commit/gnu/packages/rdf.scm?id=0d0252e45768b2a638a6b018735aab30d27d22ee'>gnu: Use HTTPS for drobilla.net URIs.</a><span class='msg-avail'>...</span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2018-04-12 15:22:57 -0400'>2018-04-12</span></td><td><a href='/guix/commit/gnu/packages/rdf.scm?id=a368663a567b5bcf25db207d03abae144cbc7493'>Merge branch 'master' into core-updates</a></td><td>Mark H Weaver</td></tr>
<tr><td><span title='2018-04-12 19:40:34 +0200'>2018-04-12</span></td><td><a href='/guix/commit/gnu/packages/rdf.scm?id=384efbc2daff29b02ac283606c169007e9afb73c'>gnu: lrdf: Update to 0.6.1.</a><span class='msg-avail'>...</span></td><td>Marius Bakke</td></tr>
<tr><td><span title='2018-04-12 04:02:48 -0400'>2018-04-12</span></td><td><a href='/guix/commit/gnu/packages/rdf.scm?id=c2f93fc0a047b51eea9fb8b5bb7828fd7b216361'>gnu: sord: Return #t from all phases.</a><span class='msg-avail'>...</span></td><td>Mark H Weaver</td></tr>
<tr><td><span title='2018-04-12 04:02:46 -0400'>2018-04-12</span></td><td><a href='/guix/commit/gnu/packages/rdf.scm?id=a4197ad29cd5b1b521fa7e7f332b6d8a171cb6d0'>gnu: serd: Return #t from all phases.</a><span class='msg-avail'>...</span></td><td>Mark H Weaver</td></tr>