Fix paths in release process.
Fix paths in release process.

Namecoin Core's repo name is "namecoin-core", not "namecoin", so the gbuild and gsign commands should use "namecoin-core" in the path to the .yml files.

brandonrobertz/namecoin-core,domob1812/huntercore,domob1812/namecore,domob1812/huntercore,pataquets/namecoin-core,wiggi/huntercore,brandonrobertz/namecoin-core,brandonrobertz/namecoin-core,namecoin/namecore,pataquets/namecoin-core,wiggi/huntercore,namecoin/namecoin-core,namecoin/namecoin-core,domob1812/namecore,domob1812/namecore,wiggi/huntercore,namecoin/namecore,domob1812/huntercore,pataquets/namecoin-core,namecoin/namecoin-core,namecoin/namecore,domob1812/namecore,brandonrobertz/namecoin-core,namecoin/namecoin-core,namecoin/namecoin-core,wiggi/huntercore,wiggi/huntercore,pataquets/namecoin-core,wiggi/huntercore,namecoin/namecore,namecoin/namecoin-core,pataquets/namecoin-core,pataquets/namecoin-core,domob1812/namecore,domob1812/huntercore,domob1812/huntercore,brandonrobertz/namecoin-core,domob1812/huntercore,namecoin/namecore,namecoin/namecore,domob1812/namecore,brandonrobertz/namecoin-core