Avoid replicator crash on list_to_existing_atom/1 calls

This happens when a remote endpoint exposes new information in the database URI
that is not recognized by this CouchDB version.
Closes COUCHDB-1004. Applied Adam's simple 1 line fix.



git-svn-id: https://svn.apache.org/repos/asf/couchdb/branches/1.0.x@1095355 13f79535-47bb-0310-9956-ffa450edef68

src/couchdb/couch_rep.erl

@@ -398,7 +398,7 @@ dbname(#db{name = Name}) ->
 
 dbinfo(#http_db{} = Db) ->
     {DbProps} = couch_rep_httpc:request(Db),
-    [{list_to_existing_atom(?b2l(K)), V} || {K,V} <- DbProps];
+    [{couch_util:to_existing_atom(K), V} || {K,V} <- DbProps];
 dbinfo(Db) ->
     {ok, Info} = couch_db:get_db_info(Db),
     Info.