01_focus_new_window.patch: new patch from upstream bugzilla.

Correctly focus new windows even when they appear behind an “always 
on top” window. Closes: #515577.

git-svn-id: svn://anonscm.debian.org/pkg-gnome/desktop/unstable/metacity@35408 db0db5de-e4c8-0310-9441-90abf70311f7