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;
><a href='/guix/'>summary</a><a href='/guix/refs/?id=05f37c16a3b159e58ce7343383b44073bd6cac9f'>refs</a><a class='active' href='/guix/log/build-aux/compile-as-derivation.scm'>log</a><a href='/guix/tree/build-aux/compile-as-derivation.scm?id=05f37c16a3b159e58ce7343383b44073bd6cac9f'>tree</a><a href='/guix/commit/build-aux/compile-as-derivation.scm?id=05f37c16a3b159e58ce7343383b44073bd6cac9f'>commit</a><a href='/guix/diff/build-aux/compile-as-derivation.scm?id=05f37c16a3b159e58ce7343383b44073bd6cac9f'>diff</a></td><td class='form'><form class='right' method='get' action='/guix/log/build-aux/compile-as-derivation.scm'>
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<div class='path'>path: <a href='/guix/log/?id=05f37c16a3b159e58ce7343383b44073bd6cac9f'>root</a>/<a href='/guix/log/build-aux?id=05f37c16a3b159e58ce7343383b44073bd6cac9f'>build-aux</a>/<a href='/guix/log/build-aux/compile-as-derivation.scm?id=05f37c16a3b159e58ce7343383b44073bd6cac9f'>compile-as-derivation.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/build-aux/compile-as-derivation.scm?id=05f37c16a3b159e58ce7343383b44073bd6cac9f&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2018-09-02 15:43:51 +0200'>2018-09-02</span></td><td><a href='/guix/commit/build-aux/compile-as-derivation.scm?id=20cbd4f5f4d08bc26c22eb40b6c1e55b02e93f23'>compile-as-derivation: Adjust %load-compiled-path.</a><span class='msg-avail'>...<span class='msg-tooltip'>* build-aux/compile-as-derivation.scm: Set not only %load-path but also
%load-compiled-path.  This can avoid problems where a stale .go is
loaded.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2018-06-09 12:02:27 +0200'>2018-06-09</span></td><td><a href='/guix/commit/build-aux/compile-as-derivation.scm?id=75e24d7b0e19ab2164aecb340e82d07d2b9714e7'>pull: Install the new Guix in a profile.</a><span class='msg-avail'>...<span class='msg-tooltip'>* guix/scripts/pull.scm (%pull-version): New variable.
(build-from-source): Pass #:pull-version to BUILD.
(whole-package-for-legacy, derivation-&gt;manifest-entry): New procedure.
(build-and-install): Rewrite in terms of 'build-and-use-profile'.
* guix/scripts/system.scm (maybe-suggest-running-guix-pull)[latest]:
Switch to "/current".
* scripts/guix.in (augment-load-paths!): Remove use of
~/.config/guix/latest.
* build-aux/compile-as-derivation.scm: Replace "/guix/latest/" with
"/current/share/guile/site/X.Y"
* guix/scripts.scm (warn-about-old-distro)[age]: Check "/current"
instead of "/latest".
* doc/guix.texi (Invoking guix pull): Document it.
* doc/contributing.texi (Running Guix Before It Is Installed): Remove
footnote about abusing ~/.config/guix/latest.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2018-06-09 12:02:27 +0200'>2018-06-09</span></td><td><a href='/guix/commit/build-aux/compile-as-derivation.scm?id=8a0d9bc8a3f153159d9e239a151c0fa98f1e12d8'>self: Produce a complete package with the 'guix' command.</a><span class='msg-avail'>...<span class='msg-tooltip'>* guix/self.scm (guix-command): New procedure.
(compiled-guix): Add #:pull-version parameter.
[command, package]: New variables.
Honor PULL-VERSION.
(guix-derivation): Add #:pull-version and pass it to 'compiled-guix'.
* build-aux/build-self.scm (build-program): Add #:pull-version
parameter.  Pass it to 'guix-derivation'.
(build): Add #:pull-version and pass it to 'build-program'.
* build-aux/compile-as-derivation.scm: Pass #:pull-version to BUILD.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2018-04-08 17:48:25 +0200'>2018-04-08</span></td><td><a href='/guix/commit/build-aux/compile-as-derivation.scm?id=2cfc8d69644af6c53fed9128425e8ff70ad4509f'>build: Add 'as-derivation' target.</a><span class='msg-avail'>...<span class='msg-tooltip'>* build-aux/compile-as-derivation.scm: New file.
* Makefile.am (as-derivation): New target.
(EXTRA_DIST): Add compile-as-derivation.scm.
</span></span></td><td>Ludovic Courtès</td></tr>