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));
/log/tests?id=738923b6e3ac85c78b1e97a9a85979495ed8ba51'>tests</a>/<a href='/guix/log/tests/glob.scm?id=738923b6e3ac85c78b1e97a9a85979495ed8ba51'>glob.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/tests/glob.scm?id=738923b6e3ac85c78b1e97a9a85979495ed8ba51&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2018-03-18 22:57:17 +0100'>2018-03-18</span></td><td><a href='/guix/commit/tests/glob.scm?id=71e08fde28fa335bdba2ec2150fd6663390bba5a'>glob: Add an extra glob pattern compilation stage.</a><span class='msg-avail'>...<span class='msg-tooltip'>* guix/glob.scm (compile-glob-pattern): Rename to...
(string-&gt;sglob): ... this.
(compile-sglob, string-&gt;compiled-sglob): New procedures.
(glob-match?): Replace '?, 'range, and 'set with a single clause.
* tests/glob.scm (test-compile-glob-pattern): Rename to...
(test-string-&gt;sglob): ... this.  Adjust accordingly.
(test-glob-match): Use 'string-&gt;compiled-sglob' instead of
'compile-glob-pattern'.
* gnu/build/linux-modules.scm (read-module-aliases): Use
'string-&gt;compiled-sglob' instead of 'compile-glob-pattern'.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2018-03-18 22:35:36 +0100'>2018-03-18</span></td><td><a href='/guix/commit/tests/glob.scm?id=e914b398af11f909e88a8bc85eeebb0768aacd54'>glob: Support square brackets in patterns.</a><span class='msg-avail'>...<span class='msg-tooltip'>* guix/glob.scm (wildcard-indices): Remove.
(parse-bracket): New procedure.
(compile-glob-pattern): Rewrite.  Support square brackets for sets and
ranges.
(glob-match?): Support sets and ranges.
* tests/glob.scm (test-compile-glob-pattern)
(test-glob-match): New macros.
Use them to rewrite the existing tests, and add new tests.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2018-03-02 13:46:25 +0100'>2018-03-02</span></td><td><a href='/guix/commit/tests/glob.scm?id=f14c933df16ee0faee6bff8004da4e5d3e1caf07'>Add (guix glob).</a><span class='msg-avail'>...<span class='msg-tooltip'>* guix/glob.scm, tests/glob.scm: New files.
* Makefile.am (MODULES): Add guix/glob.scm.
(SCM_TESTS): Add tests/glob.scm.
</span></span></td><td>Ludovic Courtès</td></tr>