Fixed a problem in main with specified input/output format being ignored.
Fixed a problem in main with specified input/output format being ignored.

darcs-hash:20090227024502-ce9ea-ccf314522c4500b99ab2c9ff5f04dd6334746329

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