Update econf:vcard() to generate correct vcard_temp record

src/econf.erl

@@ -553,6 +553,7 @@ hosts() ->
 
 -spec vcard_temp() -> yconf:validator().
 vcard_temp() ->
+    and_then(
 	vcard_validator(
 	    vcard_temp, undefined,
 	    [{version, undefined, binary()},
@@ -583,7 +584,11 @@ vcard_temp() ->
 	     {url, undefined, binary()},
 	     {class, undefined, enum([confidential, private, public])},
 	     {key, undefined, vcard_key()},
-       {desc, undefined, binary()}]).
+	     {desc, undefined, binary()}]),
+	fun(Tuple) ->
+	    list_to_tuple(tuple_to_list(Tuple) ++ [[]])
+	end).
+
 
 -spec vcard_name() -> yconf:validator().
 vcard_name() ->