Fixed potential reference of freed backBuffer array in IWineD3DDeviceImpl_SetFrontBackBuffers

[Lauris Kaplinski (none)]

---
 dlls/wined3d/device.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/dlls/wined3d/device.c b/dlls/wined3d/device.c
index 30ac0b7..8be3385 100644
--- a/dlls/wined3d/device.c
+++ b/dlls/wined3d/device.c
@@ -6047,6 +6047,7 @@ static HRESULT WINAPI IWineD3DDeviceImpl_SetFrontBackBuffers(IWineD3DDevice *ifa
             IWineD3DSurface_SetContainer(Swapchain->backBuffer[0], (IWineD3DBase *) Swapchain);
         } else {
             HeapFree(GetProcessHeap(), 0, Swapchain->backBuffer);
+            Swapchain->backBuffer = NULL;
         }
 
     }
-- 
1.5.3.2


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