[service] allow repo_stats for users
It's used by the siteinfo view, which is available to managers and
users. This change prevents a crash in that view.
#! /bin/sh -e
#
if [ "$1" = configure ]; then
if which install-docs >/dev/null 2>&1; then
install-docs -i /usr/share/doc-base/cubicweb-doc
fi
fi
#DEBHELPER#
exit 0