2001-11-13  Michael Natterer  <mitch@gimp.org>

	* app/tools/gimppainttool.[ch]: use GimpCoords structs for
	cur_coords, last_coords and start_coords and the undo struct
	instead of storing separate gdouble values.

	* app/undo.c
	* app/tools/gimpairbrushtool.c
	* app/tools/gimpclonetool.c
	* app/tools/gimpconvolvetool.c
	* app/tools/gimpdodgeburntool.c
	* app/tools/gimperasertool.c
	* app/tools/gimppaintbrushtool.c
	* app/tools/gimppenciltool.c
	* app/tools/gimpsmudgetool.c: changed accordingly.