2007-01-17  Michael Natterer  <mitch@imendio.com>

	Patch taken from maemo-gtk:

	* io-png.c (png_text_to_pixbuf_option): don't call g_convert() on
	ASCII strings.

	(png_info_callback): set an error when the size_func would scale
	the pixbuf away completely.


svn path=/trunk/; revision=17179