LDAP helper: make error message clearer when no supported backend is found

ChangeLog

@@ -11,7 +11,8 @@ version 0.9.6 -- unreleased
 	   from being done. Also migrated full/incremental backup switch to the
 	   new syntax.
 	ldap:
-	 . support HDB backend just as the BDB one (Closes: #476910)
+	 . support HDB backend just as the BDB one, and make message clearer
+	   when no supported backend is found (Closes: #476910)
 	rdiff:
 	 . Fixed ignore_version default value missing
 	 . Add patch from Matthew Palmer to rdiff handler to incorporate sshoptions

handlers/ldap.helper.in

@@ -84,7 +84,7 @@ ldap_wizard() {
      _RESTART=yes
      ldap_create_file
    else
-     msgBox "ldap action wizard" "I couldn't find any backends in your slapd.conf. Bailing out." 
+     msgBox "ldap action wizard" "I couldn't find any supported backend in your slapd.conf. Bailing out." 
      return
    fi
 }