Update _XData32 declaration in SDL_x11sym.h to match that of libx11 1.6.

--- SDL-1.2.15/src/video/x11/SDL_x11sym.h.~1~	2012-01-19 01:30:06.000000000 -0500
+++ SDL-1.2.15/src/video/x11/SDL_x11sym.h	2014-12-26 00:22:36.445067694 -0500
@@ -165,7 +165,7 @@
  */
 #ifdef LONG64
 SDL_X11_MODULE(IO_32BIT)
-SDL_X11_SYM(int,_XData32,(Display *dpy,register long *data,unsigned len),(dpy,data,len),return)
+SDL_X11_SYM(int,_XData32,(Display *dpy,register _Xconst long *data,unsigned len),(dpy,data,len),return)
 SDL_X11_SYM(void,_XRead32,(Display *dpy,register long *data,long len),(dpy,data,len),)
 #endif
 
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<tr><td><span title='2021-11-17 23:43:14 +0100'>2021-11-17</span></td><td><a href='/guix/commit/tests/egg.scm?id=3a317f7476f8c6012e166ff9f340f861938721c9'>Merge branch 'master' into core-updates-frozen</a></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2021-11-14 00:10:58 +0100'>2021-11-14</span></td><td><a href='/guix/commit/tests/egg.scm?id=114005bea61efcd5f7d768e2d6503e873f654c16'>tests: Adjust tests/egg.scm to latest API changes.</a><span class='msg-avail'>...<span class='msg-tooltip'>This is a followup to b999c80c2e71bd4b3f26a18a321b7e7e7b580103.

* tests/egg.scm (eval-test-with-egg-file): Pass 'version' argument to
'egg-&gt;guix-package'.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2021-07-20 23:43:29 +0200'>2021-07-20</span></td><td><a href='/guix/commit/tests/egg.scm?id=5b6285518be6e4f588f688dadf70eacf4614b797'>import: egg: Emit new-style package inputs.</a><span class='msg-avail'>...<span class='msg-tooltip'>* guix/import/egg.scm (egg-&gt;guix-package): Generate dependency list from
a list of symbols.
[egg-parse-dependency]: Return a list of symbols.
[maybe-inputs]: Wrap INPUTS in 'list' instead of 'quasiquote'.
* tests/egg.scm (match-chicken-foo): Adjust accordingly.

Signed-off-by: Ludovic Courtès &lt;ludo@gnu.org&gt;
</span></span></td><td>Sarah Morgensen</td></tr>
<tr><td><span title='2021-06-03 13:05:18 +0200'>2021-06-03</span></td><td><a href='/guix/commit/tests/egg.scm?id=bdc298ecee15283451d3aa20a849dd7bb22c8538'>import: Add CHICKEN egg importer.</a><span class='msg-avail'>...<span class='msg-tooltip'>* guix/import/egg.scm: New file.
* guix/scripts/import/egg.scm: New file.
* tests/egg.scm: New file.
* Makefile.am (MODULES, SCM_TESTS): Register them.
* po/guix/POTFILES.in: Likewise.
* guix/scripts/import.scm (importers): Add egg importer.
* doc/guix.texi (Invoking guix import, Invoking guix refresh): Document it.

Signed-off-by: Ludovic Courtès &lt;ludo@gnu.org&gt;
</span></span></td><td>Xinglu Chen</td></tr>