Ticket #57333: too_much__GLXscreen.patch

(a) a/include/glx_extinit.h-orig vs. (b) b/include/glx_extinit.h

@@ -30 +30 @@
 /* XXX this comment no longer makes sense i think */
 #ifdef GLXEXT
 typedef struct __GLXprovider __GLXprovider;
+#ifndef _GLX_screens_h_
 typedef struct __GLXscreen __GLXscreen;
+#endif
 struct __GLXprovider {
     __GLXscreen *(*screenProbe) (ScreenPtr pScreen);
     const char *name;