Fixed resizing-issue on iOS 4 introduced with last commit
Fixed resizing-issue on iOS 4 introduced with last commit

Haraguroicha/MTStatusBarOverlay,hlung/MTStatusBarOverlay,ovuline/MTStatusBarOverlay,myell0w/MTStatusBarOverlay,JinlianWang/MTStatusBarOverlay,Slepter/MTStatusBarOverlay,PocketScientists/MTStatusBarOverlay