[web] fix language negotiation
Regression caused by commit 6fd0ac6506cb "[web-request] handle default
language earlier". We would handle language negotiation at request
init time, but overwrite the selected language with the site default
when calling set_cnx.
#! /bin/sh -e
if [ -x "/etc/init.d/cubicweb-ctl" ]; then
invoke-rc.d cubicweb-ctl restart || true
fi
#DEBHELPER#
exit 0