A few more GPOINTER_TO_UINT fixes.

A few more GPOINTER_TO_UINT fixes.

Wed May 13 00:53:52 1998  Owen Taylor  <otaylor@gtk.org>

	* gtk/gtktypeutils.c gtk/gtksignal.c: A few more
	  GPOINTER_TO_UINT fixes.

	* gtk/gtksignal.c: Include <string.h> for memset.

Tue May 12 23:10:53 1998  Owen Taylor  <otaylor@gtk.org>
	(Maximilian Bisani <bisani@kawo2.rwth-aachen.de>: gtk-bisani-980320-0)

	* gtk/gtkvruler.c gtk/gtkhruler.c gtk/gtkruler.h:
	Cleanups, comments and the ability to have rulers with
	a reversed direction.