[1/3] gdiplus: Implement GdipBeginContainer2 and GdipEndContainer

[Vincent Povirk]

+    sts = GdipCloneMatrix(container->worldtrans, &newTrans);

+    if(sts != Ok)

+        return sts;

+

+    sts = GdipCloneRegion(container->clip, &newClip);

+    if(sts != Ok)

+        return sts;

This leaks a matrix if GdipCloneRegion fails.

-- 
Vincent Povirk