postgresql: add pg_isready.

srcpkgs/postgresql/template

@@ -1,7 +1,7 @@
 # Template file for 'postgresql'
 pkgname=postgresql
 version=9.3.5
-revision=1
+revision=2
 build_style=gnu-configure
 make_build_target="world"
 configure_args="--with-openssl --with-python
@@ -151,7 +151,7 @@ postgresql-client_package() {
 	short_desc="Client frontends programs for PostgreSQL"
 	pkg_install() {
 		for f in clusterdb createdb createlang createuser dropdb droplang \
-			dropuser pg_dump pg_dumpall pg_restore psql reindexdb \
+			dropuser pg_dump pg_dumpall pg_isready pg_restore psql reindexdb \
 			vacuumdb; do
 			vmove usr/bin/${f}
 			vmove usr/share/man/man1/$(basename ${f}).1