libsdl: added patch to fix build (FS#933)

libsdl/.md5sum

@@ -1 +1,2 @@
 9d96df8417572a2afb781a7c4c811a85  SDL-1.2.15.tar.gz
+ebff7a0aef0b79a0199e394ff9b212ab  libsdl-1.2.x-libx11.patch

libsdl/Pkgfile

@@ -6,12 +6,15 @@
 
 name=libsdl
 version=1.2.15
-release=1
-source=(http://www.libsdl.org/release/SDL-$version.tar.gz)
+release=2
+source=(http://www.libsdl.org/release/SDL-$version.tar.gz \
+        $name-1.2.x-libx11.patch)
 
 build () {
   cd SDL-$version
 
+  patch -p1 -i $SRC/$name-1.2.x-libx11.patch
+
   ./configure --prefix=/usr \
               --enable-alsa \
               --mandir=/usr/man

libsdl/libsdl-1.2.x-libx11.patch

@@ -0,0 +1,11 @@
+--- a/src/video/x11/SDL_x11sym.h	Wed Feb 27 15:20:31 2013 -0800
++++ a/src/video/x11/SDL_x11sym.h	Wed Mar 27 16:07:23 2013 +0100
+@@ -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
+