d3d: Remove AddRef from IWineD3DDevice_GetDepthStencilSurface.

dlls/d3d8/device.c

@@ -698,7 +698,6 @@ static HRESULT  WINAPI  IDirect3DDevice8Impl_GetDepthStencilSurface(LPDIRECT3DDE
     hr=IWineD3DDevice_GetDepthStencilSurface(This->WineD3DDevice,&pZStencilSurface);
     if(hr == D3D_OK && pZStencilSurface != NULL){
         IWineD3DResource_GetParent((IWineD3DResource *)pZStencilSurface,(IUnknown**)ppZStencilSurface);
-        IWineD3DResource_Release((IWineD3DResource *)pZStencilSurface);
     }else{
         FIXME("Call to IWineD3DDevice_GetDepthStencilSurface failed\n");
         *ppZStencilSurface = NULL;

dlls/d3d9/device.c

@@ -433,7 +433,6 @@ static HRESULT  WINAPI  IDirect3DDevice9Impl_GetDepthStencilSurface(LPDIRECT3DDE
     hr=IWineD3DDevice_GetDepthStencilSurface(This->WineD3DDevice,&pZStencilSurface);
     if(hr == D3D_OK && pZStencilSurface != NULL){
         IWineD3DResource_GetParent((IWineD3DResource *)pZStencilSurface,(IUnknown**)ppZStencilSurface);
-        IWineD3DResource_Release((IWineD3DResource *)pZStencilSurface);
     }else{
         FIXME("Call to IWineD3DDevice_GetRenderTarget failed\n");
         *ppZStencilSurface = NULL;

dlls/wined3d/device.c

@@ -6981,10 +6981,6 @@ static HRESULT  WINAPI  IWineD3DDeviceImpl_GetDepthStencilSurface(IWineD3DDevice
     *ppZStencilSurface = This->depthStencilBuffer;
     TRACE("(%p) : zStencilSurface  returning %p\n", This,  *ppZStencilSurface);
 
-    if(*ppZStencilSurface != NULL) {
-        /* Note inc ref on returned surface */
-        IWineD3DSurface_AddRef(*ppZStencilSurface);
-    }
     return WINED3D_OK;
 }