Apply left-over updates to the file pg_statsinfo.spec

The previous commits missed some updates intended for the
pg_statsinfo.spec file. This commit applies the updates to the file.

Author: horiguti

spec/pg_statsinfo.spec

@@ -13,7 +13,7 @@
 
 ## Set general information for pg_statsinfo.
 Name:       pg_statsinfo
-Version:    %{packageversion}.3
+Version:    %{packageversion}.0
 Release:    1%{?dist}
 Summary:    Performance monitoring tool for PostgreSQL
 Group:      Applications/Databases