rdf4h.cabal: added executable section for query utility.
rdf4h.cabal: added executable section for query utility.

darcs-hash:20071124012703-db1bb-42b2ee37fe3ce26da7406227313f086bb8f41612

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