Cherry-pick a fix for selection for TouchBegin from multiple clients
    
    From IRC:
    
    14:07 <Jasper> ajax, airlied: can we backport
    http://cgit.freedesktop.org/xorg/xserver/commit/?id=314776eb369ca2e438907795ae030dd743c281fc
    to the Fedora X server? It's causing some issues for GTK+ clients.
    14:07 <ajax> i don't see why not