[rql2sql] test and fix crash when OR in HAVING where both expresion are 'fake' having terms (eg not using aggregat function)
#! /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 fifi#DEBHELPER#exit 0