Log Message:
Update squid package to 2.5.9nb5.

* Add one more offcial patch:

    - 2005-04-05 23:05 (Cosmetic) should syslog to daemon facility not local4

* One patch updated, so update DIST_SUBDIR through DIST_STAMP change.

* Add aufs to --enable-storeio configuration.

TODO:	use <bsd.options.mk> frame work and allow to use
	--enable-pf-transparent which is mutual exclusive parameter
	with --enable-ipf-transparent.