janitorial: Remove two fresh redundant NULL checks before HeapFree(). Found by Smatch.

dlls/shell32/shlfileop.c

@@ -1753,8 +1753,7 @@ HRESULT WINAPI SHPathPrepareForWriteW(HWND hwnd, IUnknown *modless, LPCWSTR path
     /* check if we can access the directory */
     res = GetFileAttributesW(realpath);
 
-    if (temppath)
-        HeapFree(GetProcessHeap(), 0, temppath);
+    HeapFree(GetProcessHeap(), 0, temppath);
 
     if (res == INVALID_FILE_ATTRIBUTES)
     {

dlls/wined3d/surface.c

@@ -796,7 +796,7 @@ static HRESULT WINAPI IWineD3DSurfaceImpl_LockRect(IWineD3DSurface *iface, WINED
         checkGLcall("glBindBufferARB");
 
         /* We don't need the system memory anymore and we can't even use it for PBOs */
-        if(This->resource.allocatedMemory) HeapFree(GetProcessHeap(), 0, This->resource.allocatedMemory);
+        HeapFree(GetProcessHeap(), 0, This->resource.allocatedMemory);
         This->resource.allocatedMemory = NULL;
         This->Flags |= SFLAG_PBO;
         LEAVE_GL();