Fix CVE-2014-2524:

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-2524
http://lists.gnu.org/archive/html/bug-readline/2014-03/msg00057.html

Patch copied from:
https://ftp.gnu.org/gnu/readline/readline-6.3-patches/readline63-003

			   READLINE PATCH REPORT
			   =====================

Readline-Release: 6.3
Patch-ID: readline63-003

Bug-Reported-by:
Bug-Reference-ID:
Bug-Reference-URL:

Bug-Description:

There are debugging functions in the readline release that are theoretically
exploitable as security problems.  They are not public functions, but have
global linkage.

Patch (apply with `patch -p0'):

*** ../readline-6.3/util.c	2013-09-02 13:36:12.000000000 -0400
--- util.c	2014-03-20 10:25:53.000000000 -0400
***************
*** 477,480 ****
--- 479,483 ----
  }
  
+ #if defined (DEBUG)
  #if defined (USE_VARARGS)
  static FILE *_rl_tracefp;
***************
*** 539,542 ****
--- 542,546 ----
  }
  #endif
+ #endif /* DEBUG */
><td class='sub'>Wojtek's customized Guix</td><td class='sub right'></td></tr></table>
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<div class='path'>path: <a href='/guix/log/?id=dcf05d0560a4c1b44634b6225cf78dbb532b9bd8&amp;showmsg=1'>root</a>/<a href='/guix/log/gnu?id=dcf05d0560a4c1b44634b6225cf78dbb532b9bd8&amp;showmsg=1'>gnu</a>/<a href='/guix/log/gnu/build?id=dcf05d0560a4c1b44634b6225cf78dbb532b9bd8&amp;showmsg=1'>build</a>/<a href='/guix/log/gnu/build/svg.scm?id=dcf05d0560a4c1b44634b6225cf78dbb532b9bd8&amp;showmsg=1'>svg.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/build/svg.scm?id=dcf05d0560a4c1b44634b6225cf78dbb532b9bd8'>Collapse</a>)</th><th class='left'>Author</th></tr>
<tr class='logheader'><td><span title='2018-06-01 15:21:28 +0200'>2018-06-01</span></td><td class='logsubject'><a href='/guix/commit/gnu/build/svg.scm?id=33d8a871042e73d6b236793d02e5a8287a47ebe4'>bootloader: grub: Use 'with-extensions'.</a></td><td>Ludovic Courtès</td></tr>
<tr class='nohover-highlight'><td/><td colspan='3' class='logmsg'>
* gnu/bootloader/grub.scm (svg-&gt;png): Use 'with-extensions'.  Remove
'add-to-load-path' calls.
* gnu/build/svg.scm: Use (rsvg) and (cairo) the normal way.  Remove
'module-autoload!' calls.


</td></tr>
Ludovic Courtès</td></tr>
<tr><td><span title='2018-01-15 15:18:03 +0100'>2018-01-15</span></td><td><a href='/guix/commit/build-aux/cuirass/gnu-system.scm?id=403f2dccfcf992573ceeeae7c76c71b4884d3cd4'>cuirass: Properly convert list of &lt;license&gt; objects.</a><span class='msg-avail'>...<span class='msg-tooltip'>Fixes a bug whereby we would 'write' raw &lt;license&gt; objects when they
were in a list.

* build-aux/cuirass/gnu-system.scm (entry-&gt;sexp-entry): Add recursive
case when O is a list.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2017-09-27 22:19:28 +0200'>2017-09-27</span></td><td><a href='/guix/commit/build-aux/cuirass/gnu-system.scm?id=66bc1d2aaf74fc7eb4ef9b3519c69bd37142ffb3'>cuirass: Add gnu-system build spec.</a><span class='msg-avail'>...<span class='msg-tooltip'>* build-aux/hydra/gnu-system.scm (hydra-jobs): Support subset "hello".
* build-aux/cuirass/gnu-system.scm: New file.
* doc/guix.texi (Continuous Integration): Update example spec.
</span></span></td><td>Jan Nieuwenhuizen</td></tr>