[1372] (unrelated cleanup) omit trailing dot from the zone name in log msgs.

src/bin/xfrout/xfrout.py.in

@@ -102,7 +102,7 @@ def format_zone_str(zone_name, zone_class):
        zone_name (isc.dns.Name) name to format
        zone_class (isc.dns.RRClass) class to format
     """
-    return zone_name.to_text() + '/' + str(zone_class)
+    return zone_name.to_text(True) + '/' + str(zone_class)
 
 # borrowed from xfrin.py @ #1298.
 def format_addrinfo(addrinfo):