Fixed fireHook() when data is null.
Fixed fireHook() when data is null.

salem/titanium,cheekiatng/titanium,titanium-forks/appcelerator.titanium,FokkeZB/titanium,salem/titanium,salem/titanium,FokkeZB/titanium,titanium-forks/appcelerator.titanium,FokkeZB/titanium,cheekiatng/titanium,cheekiatng/titanium,titanium-forks/appcelerator.titanium