d3d9: Remove unneeded casts

[Andrew Talbot]

Changelog:
    d3d9: Remove unneeded casts.

diff --git a/dlls/d3d9/device.c b/dlls/d3d9/device.c
index f4024a2..6308eb5 100644
--- a/dlls/d3d9/device.c
+++ b/dlls/d3d9/device.c
@@ -205,7 +205,7 @@ static HRESULT  WINAPI  IDirect3DDevice9Impl_SetCursorProperties(LPDIRECT3DDEVIC
     }
 
     EnterCriticalSection(&d3d9_cs);
-    hr = IWineD3DDevice_SetCursorProperties(This->WineD3DDevice, XHotSpot, YHotSpot, (IWineD3DSurface*)pSurface->wineD3DSurface);
+    hr = IWineD3DDevice_SetCursorProperties(This->WineD3DDevice, XHotSpot, YHotSpot, pSurface->wineD3DSurface);
     LeaveCriticalSection(&d3d9_cs);
     return hr;
 }
@@ -294,7 +294,7 @@ static HRESULT  WINAPI  IDirect3DDevice9Impl_GetBackBuffer(LPDIRECT3DDEVICE9 ifa
     TRACE("(%p) Relay\n", This);
 
     EnterCriticalSection(&d3d9_cs);
-    rc = IWineD3DDevice_GetBackBuffer(This->WineD3DDevice, iSwapChain, BackBuffer, (WINED3DBACKBUFFER_TYPE) Type, (IWineD3DSurface **)&retSurface);
+    rc = IWineD3DDevice_GetBackBuffer(This->WineD3DDevice, iSwapChain, BackBuffer, (WINED3DBACKBUFFER_TYPE) Type, &retSurface);
     if (rc == D3D_OK && NULL != retSurface && NULL != ppBackBuffer) {
         IWineD3DSurface_GetParent(retSurface, (IUnknown **)ppBackBuffer);
         IWineD3DSurface_Release(retSurface);
@@ -538,7 +538,7 @@ static HRESULT  WINAPI  IDirect3DDevice9Impl_SetRenderTarget(LPDIRECT3DDEVICE9 i
     TRACE("(%p) Relay\n" , This);
 
     EnterCriticalSection(&d3d9_cs);
-    hr = IWineD3DDevice_SetRenderTarget(This->WineD3DDevice, RenderTargetIndex, pSurface ? (IWineD3DSurface*)pSurface->wineD3DSurface : NULL);
+    hr = IWineD3DDevice_SetRenderTarget(This->WineD3DDevice, RenderTargetIndex, pSurface ? pSurface->wineD3DSurface : NULL);
     LeaveCriticalSection(&d3d9_cs);
     return hr;
 }
@@ -847,7 +847,7 @@ static HRESULT  WINAPI  IDirect3DDevice9Impl_GetTexture(LPDIRECT3DDEVICE9 iface,
     }
 
     EnterCriticalSection(&d3d9_cs);
-    rc = IWineD3DDevice_GetTexture(This->WineD3DDevice, Stage, (IWineD3DBaseTexture **)&retTexture);
+    rc = IWineD3DDevice_GetTexture(This->WineD3DDevice, Stage, &retTexture);
     if (rc == D3D_OK && NULL != retTexture) {
         IWineD3DBaseTexture_GetParent(retTexture, (IUnknown **)ppTexture);
         IWineD3DBaseTexture_Release(retTexture);
@@ -1221,7 +1221,7 @@ HRESULT  WINAPI  IDirect3DDevice9Impl_GetStreamSource(LPDIRECT3DDEVICE9 iface, U
     }
 
     EnterCriticalSection(&d3d9_cs);
-    rc = IWineD3DDevice_GetStreamSource(This->WineD3DDevice, StreamNumber, (IWineD3DVertexBuffer **)&retStream, OffsetInBytes, pStride);
+    rc = IWineD3DDevice_GetStreamSource(This->WineD3DDevice, StreamNumber, &retStream, OffsetInBytes, pStride);
     if (rc == D3D_OK  && NULL != retStream) {
         IWineD3DVertexBuffer_GetParent(retStream, (IUnknown **)pStream);
         IWineD3DVertexBuffer_Release(retStream);
diff --git a/dlls/d3d9/volume.c b/dlls/d3d9/volume.c
index 1a6f32d..2af611d 100644
--- a/dlls/d3d9/volume.c
+++ b/dlls/d3d9/volume.c
@@ -205,7 +205,7 @@ HRESULT WINAPI D3D9CB_CreateVolume(IUnknown  *pDevice, IUnknown *pSuperior, UINT
         HeapFree(GetProcessHeap(), 0, object);
         *ppVolume = NULL;
     } else {
-        *ppVolume = (IWineD3DVolume *)object->wineD3DVolume;
+        *ppVolume = object->wineD3DVolume;
         object->container = pSuperior;
         object->forwardReference = pSuperior;
     }