d3d1x: fix uninitialized const color union black

Broken by 6dd284f7c8fac22f64c13fdf9909094f5ec59086.

diff --git a/src/gallium/state_trackers/d3d1x/dxgi/src/dxgi_native.cpp b/src/gallium/state_trackers/d3d1x/dxgi/src/dxgi_native.cpp
index e3329e4..32817ec 100644 (file)
--- a/src/gallium/state_trackers/d3d1x/dxgi/src/dxgi_native.cpp
+++ b/src/gallium/state_trackers/d3d1x/dxgi/src/dxgi_native.cpp
@@ -1162,7 +1162,7 @@ struct GalliumDXGISwapChain : public GalliumDXGIObject<IDXGISwapChain, GalliumDX
                if(1)
                {
                        unsigned blit_x, blit_y, blit_w, blit_h;
-                       static const union pipe_color_union black;
+                       static const union pipe_color_union black = { { 0, 0, 0, 0 } };
 
                        if(!formats_compatible || src->width0 != dst_w || src->height0 != dst_h) {
                                struct pipe_surface templat;