luatz/tzinfo: Add __name field to metatables

diff --git a/luatz/tzinfo.lua b/luatz/tzinfo.lua
index 75be0f11bb5f4eebc95008b3b190becce0524f76..3ff0a075f2327c6ff4cab4510735d55952411ad4 100644 (file)
--- a/luatz/tzinfo.lua
+++ b/luatz/tzinfo.lua
@@ -11,9 +11,11 @@ end
 
 local tz_info_methods = { }
 local tz_info_mt = {
+       __name = "luatz.tz_info";
        __index = tz_info_methods ;
 }
 local tt_info_mt = {
+       __name = "luatz.tt_info";
        __tostring = function ( self )
                return string.format ( "tt_info:%s=%d" , self.abbr , self.gmtoff )
        end ;