Remove pollfds from the context here, not when actually freeing the

Remove pollfds from the context here, not when actually freeing the

Sun Dec 10 10:47:11 2000  Owen Taylor  <otaylor@redhat.com>

	* gmain.c (g_source_destroy_internal): Remove pollfds
	from the context here, not when actually freeing the
	source.

	* gmain.c (g_source_unref_internal): Free source list
	and source, call source->source_funcs->destroy().

	* giochannel.c: Unreference io_channel properly.