added some casts

include/GL/xmesa_xf86.h

@@ -30,7 +30,7 @@ SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  * Authors:
  *   Kevin E. Martin <kevin@precisioninsight.com>
  *
- * $Header: /home/krh/git/sync/mesa-cvs-repo/Mesa/include/GL/xmesa_xf86.h,v 1.4 2000/02/25 20:31:11 brianp Exp $
+ * $Header: /home/krh/git/sync/mesa-cvs-repo/Mesa/include/GL/xmesa_xf86.h,v 1.5 2000/04/05 22:09:10 brianp Exp $
  */
 
 #ifndef _XMESA_XF86_H_
@@ -128,12 +128,12 @@ do { \
 do { \
     xRectangle __r[1]; \
     (void) __d; \
-    ValidateGC(__b, __gc); \
+    ValidateGC((DrawablePtr)__b, __gc); \
     __r[0].x = __x; \
     __r[0].y = __y; \
     __r[0].width = __w; \
     __r[0].height = __h; \
-    (*__gc->ops->PolyFillRect)(__b, __gc, 1, __r); \
+    (*__gc->ops->PolyFillRect)((DrawablePtr)__b, __gc, 1, __r); \
 } while (0)
 
 #define XMesaPutImage(__d,__b,__gc,__i,__sx,__sy,__x,__y,__w,__h) \