Fixed regression when invoking -didRollAndArchiveLogFile: method.
Fixed regression when invoking -didRollAndArchiveLogFile: method.

CocoaLumberjack/CocoaLumberjack,sushichop/CocoaLumberjack,sushichop/CocoaLumberjack,CocoaLumberjack/CocoaLumberjack,CocoaLumberjack/CocoaLumberjack,sushichop/CocoaLumberjack,CocoaLumberjack/CocoaLumberjack,sushichop/CocoaLumberjack