d3drm: Move some unsafe_impl_from_* call to where variables are declared.

dlls/d3drm/frame.c

@@ -224,12 +224,10 @@ static HRESULT WINAPI IDirect3DRMFrame2Impl_AddChild(IDirect3DRMFrame2* iface,
                                                      LPDIRECT3DRMFRAME child)
 {
     IDirect3DRMFrameImpl *This = impl_from_IDirect3DRMFrame2(iface);
-    IDirect3DRMFrameImpl *frame;
+    IDirect3DRMFrameImpl *frame = unsafe_impl_from_IDirect3DRMFrame2((LPDIRECT3DRMFRAME2)child);
 
     TRACE("(%p/%p)->(%p)\n", iface, This, child);
 
-    frame = unsafe_impl_from_IDirect3DRMFrame2((LPDIRECT3DRMFRAME2)child);
-
     if (!frame)
         return D3DRMERR_BADOBJECT;
 
@@ -524,12 +522,10 @@ static HRESULT WINAPI IDirect3DRMFrame2Impl_DeleteChild(IDirect3DRMFrame2* iface
                                                         LPDIRECT3DRMFRAME frame)
 {
     IDirect3DRMFrameImpl *This = impl_from_IDirect3DRMFrame2(iface);
-    IDirect3DRMFrameImpl *child;
+    IDirect3DRMFrameImpl *child = unsafe_impl_from_IDirect3DRMFrame2((LPDIRECT3DRMFRAME2)frame);
 
     TRACE("(%p/%p)->(%p)\n", iface, This, frame);
 
-    child = unsafe_impl_from_IDirect3DRMFrame2((LPDIRECT3DRMFRAME2)frame);
-
     if (!child)
         return D3DRMERR_BADOBJECT;