Fixing bounding box computation for inverse filled paths in SkBBoxRecord

BUG=http://code.google.com/p/skia/issues/detail?id=1014
TEST=gm emptypath with --tileGrid
Review URL: https://codereview.appspot.com/6944062

git-svn-id: http://skia.googlecode.com/svn/trunk@6865 2bbb7eff-a529-9590-31e7-b0007b416f81
1 file changed