Clean up some valgrind errors in SkTransparentShader.  Valgrind complains
about overlapping memcpy().  In fact, it seems that src and dest are the same,
so we should be able to skip the copy in this case.

Review URL:  http://codereview.appspot.com/4535085/



git-svn-id: http://skia.googlecode.com/svn/trunk@1393 2bbb7eff-a529-9590-31e7-b0007b416f81
1 file changed