silence void ptr arithmetic warning

diff --git a/src/mesa/pipe/p_inlines.h b/src/mesa/pipe/p_inlines.h
index 1697284..e7303c4 100644 (file)
--- a/src/mesa/pipe/p_inlines.h
+++ b/src/mesa/pipe/p_inlines.h
@@ -37,11 +37,12 @@ static INLINE ubyte *
 pipe_surface_map(struct pipe_surface *surface)
 {
    if (!surface->map_refcount++) {
-      surface->map = surface->winsys->buffer_map( surface->winsys,
+      surface->map
+         = (ubyte *) surface->winsys->buffer_map( surface->winsys,
                                                  surface->buffer,
                                                  PIPE_BUFFER_FLAG_WRITE | 
                                                  PIPE_BUFFER_FLAG_READ )
-                  + surface->offset;
+           + surface->offset;
    }
 
    return surface->map;