[session] make session lock reentrant
We are going to use it for other session related business. It is renamed from
_closed_lock to _lock in the same move.
#! /bin/sh -ecase "$1" in remove) if [ -x "/etc/init.d/cubicweb-ctl" ]; then invoke-rc.d cubicweb-ctl stop || true fi ;;esac#DEBHELPER#exit 0