swig: Change naming of extended struct to comply with how SWIG 2.x handles structs.
swig: Change naming of extended struct to comply with how SWIG 2.x handles structs.

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