2001-07-29  Sven Neumann  <sven@gimp.org>

	* plug-ins/common/AlienMap.c
	* plug-ins/common/AlienMap2.c
	* plug-ins/common/CML_explorer.c
	* plug-ins/common/align_layers.c
	* plug-ins/common/blinds.c
	* plug-ins/common/borderaverage.c
	* plug-ins/common/bumpmap.c
	* plug-ins/common/curve_bend.c
	* plug-ins/common/deinterlace.c
	* plug-ins/common/emboss.c
	* plug-ins/common/film.c
	* plug-ins/common/fractaltrace.c
	* plug-ins/common/gif.c
	* plug-ins/common/gih.c
	* plug-ins/common/hot.c
	* plug-ins/common/iwarp.c
	* plug-ins/common/jigsaw.c
	* plug-ins/common/jpeg.c
	* plug-ins/common/lic.c
	* plug-ins/common/mail.c
	* plug-ins/common/max_rgb.c
	* plug-ins/common/mblur.c
	* plug-ins/common/newsprint.c
	* plug-ins/common/nlfilt.c
	* plug-ins/common/papertile.c
	* plug-ins/common/pnm.c
	* plug-ins/common/ps.c
	* plug-ins/common/psp.c
	* plug-ins/common/ripple.c
	* plug-ins/common/sample_colorize.c
	* plug-ins/common/screenshot.c
	* plug-ins/common/shift.c
	* plug-ins/common/sinus.c
	* plug-ins/common/sparkle.c
	* plug-ins/common/struc.c
	* plug-ins/common/sunras.c
	* plug-ins/common/tiff.c
	* plug-ins/common/waves.c
	* plug-ins/common/wind.c
	* plug-ins/common/xbm.c: got rid of lots of compiler warnings by
	adding G_CALLBACK() casts and some const declarations.