2008-08-20  Michael Natterer  <mitch@gimp.org>

	* plug-ins/common/align-layers.c
	* plug-ins/common/blur-gauss.c
	* plug-ins/common/cartoon.c
	* plug-ins/common/edge-dog.c
	* plug-ins/common/edge-neon.c
	* plug-ins/common/edge-sobel.c
	* plug-ins/common/photocopy.c
	* plug-ins/common/pixelize.c
	* plug-ins/common/softglow.c
	* plug-ins/gradient-flare/gradient-flare.c: pass error messages
	with the return values instead of calling g_message().


svn path=/trunk/; revision=26679