Log Message:
Update ruby-postgres package to 0.7.1.
Convert to use buildlink2.mk for postgress dependency.

===========================================
Mon Jan  6 2003 version 0.7.1

	* async_exec: remove check of PQisBusy.
	  patch supplied byd <m_seki@mva.biglobe.ne.jp>

Wed Oct 16 2002 version 0.7.0

	* rename README.jp -> README.ja.

Thu Oct 10 2002

	* get_notify: bug fix Deletes of unnecessary "free(notify);"
	  debian bug report.

Wed Oct  9 2002

	* query: add pgresult_clear.
	  patch supplied by "Shirai,Kaoru" <shirai@p1jp.com>

Sat Sep 28 2002

	* PGconn: add methods escape, quote, escape_bytes.
	  patch supplied by MoonWolf <moonwolf@moonwolf.com>

Tue Aug 20 2002

	* extconf.rb add dir_config('postgres')
 	  patch supplied by Nate Haggard <nate@wordplace.com>

Mon Jun  3 2002 version 0.7.0-pre2

	* not to use fe_getauthname().
	  patch supplied by Neil Conway <nconway@klamath.dyndns.org>

Thu May 30 2002 version 0.7.0-pre1

	* Fix to insert_table so that nil values in Ruby are inserted
	  back into the database as nulls.
	  patch supplied by Jeremy Henty <jeremy@chaos.org.uk>

	* Fix to insert_table to protect characters that Postgres would
	  otherwise interpret specially.
	  patch supplied by Jeremy Henty <jeremy@chaos.org.uk>

Wed Apr 24 2002

	* Removed unused variables.
	* Improve notification code.
	* Add a missing "return Qnil" statement in a function
	  declared to return VALUE.
	* Fix an minor error in pgconn_loopen().
	  patch supplied by Neil Conway <nconway@klamath.dyndns.org>

Tue Mar  5 2002

	* fix pglarge_write return.
	  patch supplied by Noboru Matui <silicon@mx1.freemail.ne.jp>

Mon Jan  7 2002

	* refer to POSTGRES_INCLUDE and POSTGTRES_LIB
	  environmental variables.
	  patch supplied by Neil Conway <nconway@klamath.dyndns.org>

Sun Dec 16 2001

	* add methods "getisnull".
	  patch supplied by Jeremy Henty <jeremy@chaos.org.uk>

Tue Nov 27 2001

	* convert NULL => nil .
	  patch supplied by "Shirai,Kaoru" <shirai@p1jp.com>