fix warning

diff --git a/src/mesa/pipe/xlib/xm_winsys.c b/src/mesa/pipe/xlib/xm_winsys.c
index df90a807d4832d920e8245551182a68a39df3bad..b842cf766e3976a3ad724ada21d407230c2e1e4f 100644 (file)
--- a/src/mesa/pipe/xlib/xm_winsys.c
+++ b/src/mesa/pipe/xlib/xm_winsys.c
@@ -158,7 +158,8 @@ xm_buffer_get_subdata(struct pipe_winsys *pws, struct pipe_buffer_handle *buf,
 
 static void
 xm_flush_frontbuffer(struct pipe_winsys *pws,
-                     struct pipe_surface *surf )
+                     struct pipe_surface *surf,
+                     void *context_private)
 {
    /* The Xlib driver's front color surfaces are actually X Windows so
     * this flush is a no-op.