vdpau: fix a maybe-uninitialized warning

diff --git a/src/gallium/state_trackers/vdpau/presentation.c b/src/gallium/state_trackers/vdpau/presentation.c
index 7869f4c..54f15ff 100644 (file)
--- a/src/gallium/state_trackers/vdpau/presentation.c
+++ b/src/gallium/state_trackers/vdpau/presentation.c
@@ -210,7 +210,7 @@ vlVdpPresentationQueueDisplay(VdpPresentationQueue presentation_queue,
 
    struct pipe_context *pipe;
    struct pipe_resource *tex;
-   struct pipe_surface surf_templ, *surf_draw;
+   struct pipe_surface surf_templ, *surf_draw = NULL;
    struct u_rect src_rect, dst_clip, *dirty_area;
 
    struct vl_compositor *compositor;