NTriplesParser.hs: some minor cosmetic changes.
NTriplesParser.hs: some minor cosmetic changes.

darcs-hash:20071109085834-db1bb-5c9aaaf3b80e82abf6675f5d1f4fb021eddd2aba

cordawyn/rdf4h,jutaro/rdf4h,ddssff/rdf4h,LeifW/rdf4h