Merge pull request #512 from tuncer/fix-rememo-handle_call

rmemo: properly handle unsupported call
diff --git a/src/rmemo.erl b/src/rmemo.erl
index 54a8626..dd3642f 100644
--- a/src/rmemo.erl
+++ b/src/rmemo.erl
@@ -216,7 +216,7 @@
 handle_call({save, Key, Res}, _From, State) ->
     {reply, save(Key, Res), State};
 handle_call(_Request, _From, State) ->
-    {reply, {error, undefined_call}, State}.
+    {noreply, State}.
 
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 %% @private