Show intarray contrib module in contrib/README and Makefile.

contrib/Makefile

-# $Header: /cvsroot/pgsql/contrib/Makefile,v 1.11 2000/12/20 17:22:26 thomas Exp $
+# $Header: /cvsroot/pgsql/contrib/Makefile,v 1.12 2001/01/15 22:20:00 tgl Exp $
 
 subdir = contrib
 top_builddir = ..
@@ -10,6 +10,7 @@ WANTED_DIRS = \
 		earthdistance	\
 		findoidjoins	\
 		fulltextindex	\
+		intarray	\
 		isbn_issn	\
 		linux		\
 		lo			\

contrib/README

@@ -47,6 +47,11 @@ fulltextindex -
 	Full text indexing using triggers
 	by Maarten Boekhold <maartenb@dutepp0.et.tudelft.nl>
 
+intarray -
+	Index support for arrays of int4, using GiST
+	by Teodor Sigaev <teodor@stack.net> and Oleg Bartunov
+	<oleg@sai.msu.su>.
+
 isbn_issn -
 	PostgreSQL type extensions for ISBN (books) and ISSN (serials)
 	by Garrett A. Wollman <wollman@khavrinen.lcs.mit.edu>