Need to splice the arguments, too.

git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@6417 542714f4-19e9-0310-aa3c-eee0fc999fb1

src/main/java/com/threerings/presents/peer/util/PeerUtil.java

@@ -66,8 +66,7 @@ public class PeerUtil
                         _pmethods.put(method, smethod = svc.getClass().getMethod(
                             method.getName(), ArrayUtil.splice(ptypes, 0, 1)));
                     }
-                    args[0] = client;
-                    return smethod.invoke(svc, args);
+                    return smethod.invoke(svc, ArrayUtil.splice(args, 0, 1));
                 }
             }));
     }