postgresql_db fails with owner containing a "-"


    TASK: [postgresql_db db=cartoterra owner=www-cartoterra template=template_postgis] ********************* 
    failed: [192.168.122.216] => {"failed": true}
    msg: Database query failed: ERREUR:  erreur de syntaxe sur ou près de « - »
    LINE 1: CREATE DATABASE cartoterra OWNER www-cartoterra TEMPLATE tem...
                                                ^


    FATAL: all hosts have already failed -- aborting