Pedantic compiler fixes (Sven Panne)
diff --git a/progs/xdemos/glxpixmap.c b/progs/xdemos/glxpixmap.c
index f57b7b9..bde24eb 100644
--- a/progs/xdemos/glxpixmap.c
+++ b/progs/xdemos/glxpixmap.c
@@ -1,4 +1,4 @@
-/* $Id: glxpixmap.c,v 1.2 2000/07/11 16:05:29 brianp Exp $ */
+/* $Id: glxpixmap.c,v 1.3 2002/07/12 15:54:02 brianp Exp $ */
 
 
 /*
@@ -10,6 +10,7 @@
 
 
 #include <GL/gl.h>
+#define GLX_GLXEXT_PROTOTYPES
 #include <GL/glx.h>
 #include <stdio.h>
 #include <stdlib.h>