include container kind in mxf_is_generic_container_label check
include container kind in mxf_is_generic_container_label check

ebu/ebu-libmxf,stuarthicks/libmxf,stuarthicks/libmxf,stuarthicks/libmxf,ebu/ebu-libmxf,Limecraft/ebu-libmxf,ebu/ebu-libmxf,Limecraft/ebu-libmxf,stuarthicks/libmxf,Limecraft/ebu-libmxf,ebu/ebu-libmxf