libmapper: make sure copied device name gets delimiter in handler_generic().
libmapper: make sure copied device name gets delimiter in handler_generic().

malloch/libmapper,davidhernon/libmapper,libmapper/libmapper,davidhernon/libmapper-admin2,libmapper/libmapper,radarsat1/libmapper,johnty/libmapper,davidhernon/libmapper-admin2,libmapper/libmapper,davidhernon/libmapper,malloch/libmapper,davidhernon/libmapper-admin2,davidhernon/libmapper,radarsat1/libmapper,malloch/libmapper,davidhernon/libmapper,malloch/libmapper,malloch/libmapper,davidhernon/libmapper-admin2,davidhernon/libmapper-admin2,malloch/libmapper,radarsat1/libmapper,libmapper/libmapper,libmapper/libmapper,johnty/libmapper,johnty/libmapper,davidhernon/libmapper,johnty/libmapper,radarsat1/libmapper,radarsat1/libmapper,libmapper/libmapper,johnty/libmapper