Standardized what we do in cases where a CloneNotSupportedException occurs

where we don't think it ever will.
Instead of returning null, or the exception, always throw a runtime
with just the CloneNotSupportedException as the argument, as this will
contain the most information and will preserve the stack trace.


git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@4264 542714f4-19e9-0310-aa3c-eee0fc999fb1

src/java/com/threerings/crowd/data/OccupantInfo.java

@@ -104,7 +104,7 @@ public class OccupantInfo extends SimpleStreamableObject
         try {
             return super.clone();
         } catch (CloneNotSupportedException cnse) {
-            throw new RuntimeException("WTF? " + cnse);
+            throw new RuntimeException(cnse);
         }
     }
 }

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

@@ -397,7 +397,7 @@ public class DSet<E extends DSet.Entry>
             nset._modCount = 0;
             return nset;
         } catch (CloneNotSupportedException cnse) {
-            throw new RuntimeException("WTF? " + cnse);
+            throw new RuntimeException(cnse);
         }
     }