Little fix for getMainMultiInstance() in case its called on the main instance.
Little fix for getMainMultiInstance() in case its called on the main instance.

Niektory/fifengine,cbeck88/fifengine,fifengine/fifengine,cbeck88/fifengine,fifengine/fifengine,gravitystorm/fifengine,cbeck88/fifengine,gravitystorm/fifengine,gravitystorm/fifengine,cbeck88/fifengine,gravitystorm/fifengine,fifengine/fifengine,Niektory/fifengine,Niektory/fifengine