toString() is being overridden, mark as such.

git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@5978 542714f4-19e9-0310-aa3c-eee0fc999fb1

src/java/com/threerings/util/MethodProfiler.java

@@ -60,6 +60,7 @@ public class MethodProfiler
         public double standardDeviation;
 
         // from Object
+        @Override
         public String toString ()
         {
             return StringUtil.fieldsToString(this);