Add closure_marshal/closure_callback fields to GSourceFuncs for use by

Add closure_marshal/closure_callback fields to GSourceFuncs for use by

Mon Aug 27 14:56:12 2001  Owen Taylor  <otaylor@redhat.com>

	* glib/gmain.h: Add closure_marshal/closure_callback
	fields to GSourceFuncs for use by g_source_set_closure().

	* glib/gmain.c glib/giounix.c glib/giowin32.c
	  glib/gmain.h: Export the SourceFuncs vtables so GObject
	can use them to figure out closure callbacks/marshallers
	for the default source types.

Mon Aug 27 14:55:27 2001  Owen Taylor  <otaylor@redhat.com>

	* gsourceclosure.[ch] (g_source_set_closure): Implement.

	* gsourceclosure.[ch]: Add GType's for GIOChannel, GIOCondition.