Unreviewed GTK gardening. Updating baselines for tests under svg/custom, svg/dom, svg/in-html,
svg/overflow, svg/repaint and svg/transforms after enabling the subpixel layout.


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@148806 268f45cc-cd09-0410-ab3c-d52691b4dbfc