package/postgresql: fix typo in init script info printout

Signed-off-by: Scott Fan <fancp2007@gmail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
(cherry picked from commit 74f327e2869841b499d66cac6a7bd8a83b1269f5)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/postgresql/S50postgresql

@@ -6,7 +6,7 @@
 umask 077
 
 if [ ! -f /var/lib/pgsql/PG_VERSION ]; then
-	echo "Initializing postgresql data base..."
+	echo "Initializing postgresql database..."
 	su - postgres -c '/usr/bin/pg_ctl initdb -D /var/lib/pgsql'
 	echo "done"
 fi