[PATCH] gdiplus/tests: Fix a memory leak (Valgrind).

[Sven Baars]

On 21-02-19 17:10, Vincent Povirk wrote:
> Image buffers passed into Bitmap constructors such as
> GdipCreateBitmapFromScan0 are referenced by the Bitmap object and must
> be valid for the Bitmap's lifetime.
I had the free at the bottom of the function first, but then no tests
failed when I moved it to the top, so I left it there instead. I'll move
it back to the bottom.