Fixes a fatal constness error with g++ 4.8.2.
--- aegis-4.24/common/ac/string/memmem.cc	2008-03-14 07:19:27.000000000 +0100
+++ aegis-4.24/common/ac/string/memmem.cc	2014-01-26 11:17:58.000000000 +0100
@@ -182,7 +182,7 @@
 
     // Use optimizations in memchr when possible.
     if (needle_len == 1)
-        return memchr(haystack, *needle, haystack_len);
+        return (void *) memchr(haystack, *needle, haystack_len);
 
     // Minimizing the worst-case complexity:
     // Let n = haystack_len, m = needle_len.
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<div class='path'>path: <a href='/guix/log/?id=e7b2433484d834dda5cd1ca857b9a445c40a337e&amp;showmsg=1'>root</a>/<a href='/guix/log/README?id=e7b2433484d834dda5cd1ca857b9a445c40a337e&amp;showmsg=1'>README</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/README?id=e7b2433484d834dda5cd1ca857b9a445c40a337e'>Collapse</a>)</th><th class='left'>Author</th></tr>
<tr class='logheader'><td><span title='2021-05-20 01:58:04 +0200'>2021-05-20</span></td><td class='logsubject'><a href='/guix/commit/README?id=c0087d33705f53cc3619a1a43a33602aaecc3a8b'>The #guix channel is hosted by Libera Chat.</a></td><td>Tobias Geerinckx-Rice</td></tr>
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* README (Contact): Update network name.
* ROADMAP: Likewise.
* doc/contributing.texi (Contributing): Likewise.
* doc/guix.texi (After System Installation): Likewise.


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<tr class='logheader'><td><span title='2020-10-23 12:57:20 -0400'>2020-10-23</span></td><td class='logsubject'><a href='/guix/commit/README?id=b5aaa3a4fb985d21e21e2a67f48b52f13ebd4728'>doc: Update README.</a></td><td>Maxim Cournoyer</td></tr>
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* README (Installation): Do not mention installing Guix from Git anymore.
(Building from Git): Add section.


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<tr class='logheader'><td><span title='2020-10-22 22:47:54 -0400'>2020-10-22</span></td><td class='logsubject'><a href='/guix/commit/README?id=503d2bfde08f9bf97bbf430516d2f19faedd4319'>README: Refer to the manual for building from Git.</a></td><td>Maxim Cournoyer</td></tr>
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* README (Installing Guix from Guix): Remove section.
(Installation): For installing from Git, refer to the "Building from Git"
section of the manual and suggest using './pre-inst-env guix pull' rather than
'make install' for installing Guix.


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