util: Add forward declaration in u_transfer.h.

diff --git a/src/gallium/auxiliary/util/u_transfer.h b/src/gallium/auxiliary/util/u_transfer.h
index eb07945d15f9a9ee53b021b12358058efd3af8ad..e3a38730f214aea837b80e5a4fbd180cc76973c7 100644 (file)
--- a/src/gallium/auxiliary/util/u_transfer.h
+++ b/src/gallium/auxiliary/util/u_transfer.h
@@ -8,6 +8,7 @@
 #include "pipe/p_state.h"
 
 struct pipe_context;
+struct winsys_handle;
 
 boolean u_default_resource_get_handle(struct pipe_screen *screen,
                                      struct pipe_resource *resource,