2004-01-19  Michael Natterer  <mitch@gimp.org>

	* plug-ins/common/bz2.c
	* plug-ins/common/gz.c
	* plug-ins/common/hrz.c
	* plug-ins/common/pnm.c
	* plug-ins/sgi/sgi.c: marked some forgotten strings for
	translation and use translated standard file error messages (no
	new strings introduced), some indentation and cleanup.