Fixing SkClipStack::clipDevPath so that it will not convert rectangular paths to rectangle clips if inverse fill.

BUG=http://code.google.com/p/chromium/issues/detail?id=164580
TEST=unit test ClipStackTest/test_rect_inverse_fill
Review URL: https://codereview.appspot.com/6880044

git-svn-id: http://skia.googlecode.com/svn/trunk@6731 2bbb7eff-a529-9590-31e7-b0007b416f81
2 files changed