Use array cloning rather than creating a new one and copying into it.

(It may be the same thing under the hood, but our pal Occam would approve.)


git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@3958 542714f4-19e9-0310-aa3c-eee0fc999fb1

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

@@ -377,8 +377,7 @@ public class DSet
     {
         try {
             DSet nset = (DSet)super.clone();
-            nset._entries = new Entry[_entries.length];
-            System.arraycopy(_entries, 0, nset._entries, 0, _entries.length);
+            nset._entries = (Entry[])_entries.clone();
             nset._modCount = 0;
             return nset;
         } catch (CloneNotSupportedException cnse) {