Add functions which look for text, image or uri targets in an array of

Add functions which look for text, image or uri targets in an array of

2005-08-30  Matthias Clasen  <mclasen@redhat.com>

	* gtk/gtk.symbols:
	* gtk/gtkselection.h:
	* gtk/gtkselection.c: Add functions which look for text, image
	or uri targets in an array of atoms.   (#314089, Mark Wielaard)