NULL-terminate context->attr_values so g_strfreev() is safe. Would

NULL-terminate context->attr_values so g_strfreev() is safe. Would

2002-01-28  Havoc Pennington  <hp@pobox.com>

	* glib/gmarkup.c (add_attribute): NULL-terminate
	context->attr_values so g_strfreev() is safe.
	Would previously crash if parsing was ended prior
	to ending the start tag.
	(g_markup_parse_context_parse): add a couple assertions