libmapper: use a built-in strndup, since it is not available on all platforms.
libmapper: use a built-in strndup, since it is not available on all platforms.

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