Borrowed from Debian.

--- swish-e-2.4.7/src/parser.c	2009-04-05 03:58:32.000000000 +0200
+++ swish-e-2.4.7/src/parser.c	2013-06-11 13:53:08.196559035 +0200
@@ -1760,7 +1760,7 @@
     va_start(args, msg);
     vsnprintf(str, 1000, msg, args );
     va_end(args);
-    xmlParserError(parse_data->ctxt, str);
+    xmlParserError(parse_data->ctxt, "%s", str);
 }
 
 static void warning(void *data, const char *msg, ...)
@@ -1772,7 +1772,7 @@
     va_start(args, msg);
     vsnprintf(str, 1000, msg, args );
     va_end(args);
-    xmlParserWarning(parse_data->ctxt, str);
+    xmlParserWarning(parse_data->ctxt, "%s", str);
 }
 
 
--- swish-e-2.4.7/src/result_output.c	2009-04-05 03:58:32.000000000 +0200
+++ swish-e-2.4.7/src/result_output.c	2013-06-11 13:53:38.593550825 +0200
@@ -752,7 +752,7 @@
             s = (char *) emalloc(MAXWORDLEN + 1);
             n = strftime(s, (size_t) MAXWORDLEN, fmt, localtime(&(pv->value.v_date)));
             if (n && f)
-                fprintf(f, s);
+                fprintf(f, "%s", s);
             efree(s);
         }
         break;
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<div class='path'>path: <a href='/guix/log/?id=76d9b08e1b4677dbcb8fbbb8e607ceb35fe81d80'>root</a>/<a href='/guix/log/gnu?id=76d9b08e1b4677dbcb8fbbb8e607ceb35fe81d80'>gnu</a>/<a href='/guix/log/gnu/packages?id=76d9b08e1b4677dbcb8fbbb8e607ceb35fe81d80'>packages</a>/<a href='/guix/log/gnu/packages/gnustep.scm?id=76d9b08e1b4677dbcb8fbbb8e607ceb35fe81d80'>gnustep.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/gnustep.scm?id=76d9b08e1b4677dbcb8fbbb8e607ceb35fe81d80&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2018-11-10 23:42:54 +0100'>2018-11-10</span></td><td><a href='/guix/commit/gnu/packages/gnustep.scm?id=f116e1fcae18d07c116d5d96bdb4de20cd783b5f'>gnu: wmclock: Remove custom bootstrap phase.</a><span class='msg-avail'>...</span></td><td>Ricardo Wurmus</td></tr>
<tr><td><span title='2018-11-10 23:42:54 +0100'>2018-11-10</span></td><td><a href='/guix/commit/gnu/packages/gnustep.scm?id=e17f867c62c687779a82d05db73ab63c25d49c4e'>gnu: wmbattery: Remove custom bootstrap phase.</a><span class='msg-avail'>...</span></td><td>Ricardo Wurmus</td></tr>
<tr><td><span title='2018-02-16 11:11:40 +0100'>2018-02-16</span></td><td><a href='/guix/commit/gnu/packages/gnustep.scm?id=48bbe06edfb41700abf66419b1f0c7e21d831d96'>gnu: gnustep: Update dockapps home pages.</a><span class='msg-avail'>...</span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2018-02-16 11:11:40 +0100'>2018-02-16</span></td><td><a href='/guix/commit/gnu/packages/gnustep.scm?id=bfe83d568c75434501a471dbaed273d213320470'>gnu: gnustep: Update phase style.</a><span class='msg-avail'>...</span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2018-02-16 11:11:40 +0100'>2018-02-16</span></td><td><a href='/guix/commit/gnu/packages/gnustep.scm?id=9a0a4a95f02f0ad2e3589af398421445f7e8a949'>gnu: wmcpuload: Update to 1.1.1.</a><span class='msg-avail'>...</span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2018-02-16 11:11:40 +0100'>2018-02-16</span></td><td><a href='/guix/commit/gnu/packages/gnustep.scm?id=93710d861f5987b7e87221d39e568afd86357c80'>gnu: wmbattery: Update to 2.51.</a><span class='msg-avail'>...</span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2017-12-22 18:48:23 -0500'>2017-12-22</span></td><td><a href='/guix/commit/gnu/packages/gnustep.scm?id=84958de1205a910f93841f313e6666d84dece8c4'>gnu: windowmaker: Enable xinerama support.</a><span class='msg-avail'>...</span></td><td>Kei Kebreau</td></tr>
<tr><td><span title='2017-12-06 16:31:09 -0500'>2017-12-06</span></td><td><a href='/guix/commit/gnu/packages/gnustep.scm?id=537fe4568f4d7a90ab350a66cadfdf38c893bbee'>gnu: windowmaker: Add '.desktop' file.</a><span class='msg-avail'>...</span></td><td>Kei Kebreau</td></tr>
<tr><td><span title='2017-08-29 20:13:24 -0400'>2017-08-29</span></td><td><a href='/guix/commit/gnu/packages/gnustep.scm?id=3c8ba11a97d3f3b671b8919da8c41f0b0e2ccaf3'>Update e-mail for Kei Kebreau.</a><span class='msg-avail'>...</span></td><td>Kei Kebreau</td></tr>
<tr><td><span title='2017-05-08 17:46:58 -0400'>2017-05-08</span></td><td><a href='/guix/commit/gnu/packages/gnustep.scm?id=4d8fd825a8adc528bc31501cec32ea4d11edcde8'>gnu: Add gnustep-make.</a><span class='msg-avail'>...</span></td><td>Kei Kebreau</td></tr>
<tr><td><span title='2017-04-24 11:23:31 -0400'>2017-04-24</span></td><td><a href='/guix/commit/gnu/packages/gnustep.scm?id=0611abff32ddf0dd6cfbbff74aee4c9a7abe1936'>gnu: wmfire: Update source code for new GDK versions.</a><span class='msg-avail'>...</span></td><td>Kei Kebreau</td></tr>
<tr><td><span title='2017-03-14 12:10:16 -0400'>2017-03-14</span></td><td><a href='/guix/commit/gnu/packages/gnustep.scm?id=962cbb24c5a9beea5c6bda0e7662bead7cb2c4ca'>gnu: windowmaker: Use modify-phases syntax.</a><span class='msg-avail'>...</span></td><td>Leo Famulari</td></tr>
<tr><td><span title='2017-03-14 12:10:12 -0400'>2017-03-14</span></td><td><a href='/guix/commit/gnu/packages/gnustep.scm?id=8cac5bca126fe9d1c7557cd64a3dc4332d41e664'>gnu: windowmaker: Update to 0.95.8.</a><span class='msg-avail'>...</span></td><td>Leo Famulari</td></tr>
<tr><td><span title='2016-12-09 22:10:06 -0500'>2016-12-09</span></td><td><a href='/guix/commit/gnu/packages/gnustep.scm?id=fdb552bbd44e35d335ee1d430ffe5b0fc4bc237e'>gnu: windowmaker: Fix invocation of 'wmsetbg'.</a><span class='msg-avail'>...</span></td><td>Kei Kebreau</td></tr>