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
 
='get'>
<input type='hidden' name='id' value='b273158bb41e3e4b5e5ccf1077bab852e9df4b5d'/><select name='h' onchange='this.form.submit();'>
<option value='koszko' selected='selected'>koszko</option>
<option value='koszko-scripts'>koszko-scripts</option>
</select> <input type='submit' value='switch'/></form></td></tr>
<tr><td class='sub'>Wojtek's customized Guix</td><td class='sub right'></td></tr></table>
<table class='tabs'><tr><td>
<a href='/guix/about/'>about</a><a href='/guix/'>summary</a><a href='/guix/refs/?id=b273158bb41e3e4b5e5ccf1077bab852e9df4b5d'>refs</a><a class='active' href='/guix/log/gnu/packages/gd.scm'>log</a><a href='/guix/tree/gnu/packages/gd.scm?id=b273158bb41e3e4b5e5ccf1077bab852e9df4b5d'>tree</a><a href='/guix/commit/gnu/packages/gd.scm?id=b273158bb41e3e4b5e5ccf1077bab852e9df4b5d'>commit</a><a href='/guix/diff/gnu/packages/gd.scm?id=b273158bb41e3e4b5e5ccf1077bab852e9df4b5d'>diff</a></td><td class='form'><form class='right' method='get' action='/guix/log/gnu/packages/gd.scm'>
<input type='hidden' name='id' value='b273158bb41e3e4b5e5ccf1077bab852e9df4b5d'/><select name='qt'>
<option value='grep'>log msg</option>
<option value='author'>author</option>
<option value='committer'>committer</option>
<option value='range'>range</option>
</select>
<input class='txt' type='search' size='10' name='q' value=''/>
<input type='submit' value='search'/>
</form>
</td></tr></table>
<div class='path'>path: <a href='/guix/log/?id=b273158bb41e3e4b5e5ccf1077bab852e9df4b5d'>root</a>/<a href='/guix/log/gnu?id=b273158bb41e3e4b5e5ccf1077bab852e9df4b5d'>gnu</a>/<a href='/guix/log/gnu/packages?id=b273158bb41e3e4b5e5ccf1077bab852e9df4b5d'>packages</a>/<a href='/guix/log/gnu/packages/gd.scm?id=b273158bb41e3e4b5e5ccf1077bab852e9df4b5d'>gd.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/packages/gd.scm?id=b273158bb41e3e4b5e5ccf1077bab852e9df4b5d&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2020-04-08 14:21:41 +0200'>2020-04-08</span></td><td><a href='/guix/commit/gnu/packages/gd.scm?id=76125bc061b199936c60c348290a593ac3450945'>gnu: perl-gd: Do not rely on 'libgd-config'.</a><span class='msg-avail'>...</span></td><td>Marius Bakke</td></tr>
<tr><td><span title='2020-03-26 22:35:35 +0100'>2020-03-26</span></td><td><a href='/guix/commit/gnu/packages/gd.scm?id=736d772b82bfd693cd9412e2857e029fa6309269'>gnu: gd: Update to 2.3.0.</a><span class='msg-avail'>...</span></td><td>Marius Bakke</td></tr>
<tr><td><span title='2020-03-14 13:13:40 +0100'>2020-03-14</span></td><td><a href='/guix/commit/gnu/packages/gd.scm?id=961d2ee2695b38503b463d055e9c7edbcc0bf307'>Merge branch 'master' into core-updates</a></td><td>Marius Bakke</td></tr>
<tr><td><span title='2020-03-11 03:01:45 +0100'>2020-03-11</span></td><td><a href='/guix/commit/gnu/packages/gd.scm?id=44184f33562f483c32c9ec78db5cef26b3386cfd'>gnu: gd: Use HTTPS home page.</a><span class='msg-avail'>...</span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2020-01-22 22:12:34 +0100'>2020-01-22</span></td><td><a href='/guix/commit/gnu/packages/gd.scm?id=4bd428a7ce382f623784a3ff8186aadc3cebca91'>gnu: Replace uses of 'libjpeg' with 'libjpeg-turbo'.</a><span class='msg-avail'>...</span></td><td>Marius Bakke</td></tr>
<tr><td><span title='2020-01-08 21:56:02 +0100'>2020-01-08</span></td><td><a href='/guix/commit/gnu/packages/gd.scm?id=2fc865d301de71ab66bcb29f9aac22479a512dfe'>gnu: gd: Do not build static library.</a><span class='msg-avail'>...</span></td><td>Marius Bakke</td></tr>
<tr><td><span title='2019-03-23 23:16:55 +0100'>2019-03-23</span></td><td><a href='/guix/commit/gnu/packages/gd.scm?id=8c14f7f8a7ab0722bf4c9f92fd28ae85514d564f'>Merge branch 'staging' into core-updates</a></td><td>Marius Bakke</td></tr>
<tr><td><span title='2019-03-14 23:51:49 +0100'>2019-03-14</span></td><td><a href='/guix/commit/gnu/packages/gd.scm?id=832e7be42d4c9ae4abada36a6d61473da8574ec1'>gnu: perl-gd-securityimage: Update to 1.75.</a><span class='msg-avail'>...</span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2019-03-14 23:51:48 +0100'>2019-03-14</span></td><td><a href='/guix/commit/gnu/packages/gd.scm?id=06900d90e7177f98d325e3e34491986b441e5980'>gnu: perl-gd: Update to 2.71.</a><span class='msg-avail'>...</span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2019-02-23 20:44:35 +0100'>2019-02-23</span></td><td><a href='/guix/commit/gnu/packages/gd.scm?id=db91596a78cf463056b7304b4fc9e2b19ba042fb'>gnu: gd: Incorporate grafted changes.</a><span class='msg-avail'>...</span></td><td>Marius Bakke</td></tr>
<tr><td><span title='2019-02-19 15:47:35 -0500'>2019-02-19</span></td><td><a href='/guix/commit/gnu/packages/gd.scm?id=c12b23469576fb1c3920120ef06b696daa30b855'>gnu: libgd: Fix CVE-2019-{6977,6978}.</a><span class='msg-avail'>...</span></td><td>Leo Famulari</td></tr>
<tr><td><span title='2018-11-14 23:44:02 -0500'>2018-11-14</span></td><td><a href='/guix/commit/gnu/packages/gd.scm?id=4851af9ebe3949354a2d22ca932bbecb072c5024'>gnu: perl: Return #t from all phases.</a><span class='msg-avail'>...</span></td><td>Mark H Weaver</td></tr>