2006-10-16  Sven Neumann  <sven@gimp.org>

	* plug-ins/winicon/Makefile.am
	* plug-ins/winicon/icodialog.c
	* plug-ins/winicon/icoload.c
	* plug-ins/winicon/icosave.c
	* plug-ins/winicon/main.h: applied patch from Aurimas Juška that
	adds support for the loading and saving Vista 256x256 PNG
	Compressed Icons (bug #352899).

	* configure.in
	* plug-ins/Makefile.am: don't build the winicon plug-in if PNG
	support has been explicitely disabled.