d3d11/tests: Declare "data_size" as UINT in test_device_context_state().

ID3DDeviceContextState_GetPrivateData() takes an UINT parameter, not a DWORD.

Signed-off-by: Henri Verbeet <hverbeet@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>

dlls/d3d11/tests/d3d11.c

@@ -6976,9 +6976,9 @@ static void test_device_context_state(void)
     ID3D11Texture2D *texture;
     enum DXGI_FORMAT format;
     float blend_factor[4];
-    DWORD data_size;
     BOOL pred_value;
     ULONG refcount;
+    UINT data_size;
     char data[64];
     HRESULT hr;