Change the API a bit so that unhandled methods get reported via the reply,

Change the API a bit so that unhandled methods get reported via the reply,

2008-01-09  Alexander Larsson  <alexl@redhat.com>

        * gio-marshal.list:
        * gmountoperation.[ch]:
	Change the API a bit so that unhandled methods
	get reported via the reply, rather than by
	the signal emission return value. This is because
	some handlers can't know this immediately without
	doing I/O, and this is an async operation that
	should not block.

svn path=/trunk/; revision=6282