Fix CVE-2019-19126:

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-19126
https://sourceware.org/bugzilla/show_bug.cgi?id=25204

Taken from upstream:
https://sourceware.org/git/?p=glibc.git;a=commit;h=37c90e117310728a4ad1eb998c0bbe7d79c4a398

diff --git a/sysdeps/unix/sysv/linux/x86_64/64/dl-librecon.h b/sysdeps/unix/sysv/linux/x86_64/64/dl-librecon.h
index 975cbe2..df2cdfd 100644
--- a/sysdeps/unix/sysv/linux/x86_64/64/dl-librecon.h
+++ b/sysdeps/unix/sysv/linux/x86_64/64/dl-librecon.h
@@ -31,7 +31,8 @@
    environment variable, LD_PREFER_MAP_32BIT_EXEC.  */
 #define EXTRA_LD_ENVVARS \
   case 21:								  \
-    if (memcmp (envline, "PREFER_MAP_32BIT_EXEC", 21) == 0)		  \
+    if (!__libc_enable_secure						  \
+	&& memcmp (envline, "PREFER_MAP_32BIT_EXEC", 21) == 0)		  \
       GLRO(dl_x86_cpu_features).feature[index_arch_Prefer_MAP_32BIT_EXEC] \
 	|= bit_arch_Prefer_MAP_32BIT_EXEC;				  \
     break;
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<tr><td><span title='2022-06-17 18:49:05 +0200'>2022-06-17</span></td><td><a href='/guix/commit/gnu/packages/aux-files/renpy?id=6c04a8961fe15a6c856a2fb08ac39dab90d08be0'>gnu: renpy: Update to 7.99.99-0-3e854bc.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/aux-files/renpy/renpy.in (__renpy_files, path_to_gamedir):
New procedures.
* gnu/packages/game-development.scm (python-renpy): Update to
7.99.99-0-3e854bc.
(renpy): Likewise.
[inputs]: Add python-pefile, python-requests and python-six.
</span></span></td><td>Liliana Marie Prikler</td></tr>
<tr><td><span title='2022-01-15 09:41:59 +0100'>2022-01-15</span></td><td><a href='/guix/commit/gnu/packages/aux-files/renpy?id=0f9e73841e5841224b8f1f63098baa649090df4e'>gnu: renpy: Move renpy command to aux-files.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/aux-files/renpy/renpy.in: New file.
* gnu/packages/game-development.scm (renpy)[install]: Use renpy.in with
substitute*.
* Makefile.am (AUX_FILES): Add it here.
</span></span></td><td>Liliana Marie Prikler</td></tr>