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='2022-05-01 21:30:36 +0200'>2022-05-01</span></td><td><a href='/guix/commit/gnu/services/games.scm?id=53dbc6fd9a2f476f38e17496457a6b3b06e71687'>services: wesnothd: Use 'least-authority-wrapper'.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/services/games.scm (wesnothd-shepherd-service): Use
'least-authority-wrapper' instead of
'make-forkexec-constructor/container'.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2022-05-01 21:30:36 +0200'>2022-05-01</span></td><td><a href='/guix/commit/gnu/services/games.scm?id=19df5f2423c34e798d1629bb11f2e5e5f29e951e'>services: wesnothd: Grant write access to /var/run/wesnothd.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/services/games.scm (wesnothd-shepherd-service): Augment 'modules'
field.  Pass #:mappings argument to 'make-forkexec-constructor/container'.
(wesnothd-activation): New variable.
(wesnothd-service-type): Extend ACTIVATION-SERVICE-TYPE.
</span></span></td><td>Ludovic Courtès</td></tr>