Display the entry first then the set.

git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@4311 542714f4-19e9-0310-aa3c-eee0fc999fb1

src/java/com/threerings/presents/dobj/DSet.java

@@ -260,8 +260,8 @@ public class DSet<E extends DSet.Entry>
 
         // if the element is already in the set, bail now
         if (eidx >= 0) {
-            Log.warning("Refusing to add duplicate entry [set=" + this +
+            Log.warning("Refusing to add duplicate entry [entry=" + elem +
-                        ", entry=" + elem + "].");
+                        ", set=" + this + "].");
             return false;
         }