Use a variant of the code from gtkfilesel.c to parse a "text/uri-list"

Use a variant of the code from gtkfilesel.c to parse a "text/uri-list"

2004-04-15  Federico Mena Quintero  <federico@ximian.com>

	* gtk/gtkfilechooserdefault.c (split_uris): Use a variant of the
	code from gtkfilesel.c to parse a "text/uri-list" blob.  Fixes
	#140126.