* plug-ins/common/hrz.c
	* plug-ins/common/illusion.c
	* plug-ins/common/iwarp.c
	* plug-ins/common/jigsaw.c
	* plug-ins/common/laplace.c
	* po-plug-ins/POTFILES.in: added gettext support.

	* plug-ins/common/gauss_iir.c
	* plug-ins/common/gauss_rle.c
	* plug-ins/common/gicon.c
	* plug-ins/common/gif.c
	* plug-ins/common/gifload.c
	* plug-ins/common/gpb.c
	* plug-ins/common/gqbist.c
	* plug-ins/common/guillotine.c
 	* plug-ins/common/gz.c
	* plug-ins/common/jpeg.c
	* plug-ins/common/lic.c: unmarked unnecessary translation tag.

-- yasuhiro