fix building without WINDOW_DEBUG
fix building without WINDOW_DEBUG

nemomobile-graveyard/mcompositor,nemomobile-graveyard/mcompositor,siraj/mcompositor,siraj/mcompositor,siraj/mcompositor,siraj/mcompositor,nemomobile-graveyard/mcompositor,nemomobile-graveyard/mcompositor,nemomobile-graveyard/mcompositor,nemomobile-graveyard/mcompositor