[Gdiplus try2 13/16] Implement GdipCloneRegion

[Adam Petaccia]

Changelog: Check *element2 for not NULL; clean up better in case of failure.
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 dlls/gdiplus/region.c |   58 ++++++++++++++++++++++++++++++++++++++++++++++--
 1 files changed, 55 insertions(+), 3 deletions(-)
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