reconnaitre la valeur spéciale localhost pour check_hostname()

lib/ulib/base

@@ -1728,11 +1728,13 @@ function ensure_user() {
 }
 function check_hostname() {
 # Vérifier si le hostname courant est l'un des hôtes $1..*
+# localhost matche toujours
     local userhost user host path
     for userhost in "$@"; do
         splitfsep "$userhost" : userhost path
         splituserhost "$userhost" user host
-        [ "$MYHOSTNAME" == "${host%%.*}" ] && return 0
+        host="${host%%.*}"
+        [ "$host" == localhost -o "$host" == "$MYHOSTNAME" ] && return 0
     done
     return 1
 }