[devtools] force locale to C for postgresql test clusters
Avoids initdb failure with e.g. iso8859-X locale and utf-8 encoding.
# -*- coding: utf-8 -*-# copyright %(year)s %(author)s, all rights reserved.# contact %(author-web-site)s -- mailto:%(author-email)s#%(long-license)s"""%(distname)s specific hooks and operations"""