Make sure struct pipe_screen is declared.

diff --git a/src/gallium/drivers/softpipe/sp_winsys.h b/src/gallium/drivers/softpipe/sp_winsys.h
index 80f535480817df6ff7286fcaa4b892457683473b..fc372dba27b48585f079a6a963a231ce157f0edd 100644 (file)
--- a/src/gallium/drivers/softpipe/sp_winsys.h
+++ b/src/gallium/drivers/softpipe/sp_winsys.h
@@ -46,6 +46,7 @@ struct softpipe_winsys {
 
 };
 
+struct pipe_screen;
 struct pipe_winsys;
 struct pipe_context;