file: remove return in function returning void
file: remove return in function returning void

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