Fixed some warnings revealed by Eclipse 3.5 RC1 - previous Eclipse versions might complain this annotation is unnecessary.

src/main/java/org/jboss/netty/util/internal/LinkedTransferQueue.java

@@ -184,6 +184,7 @@ public class LinkedTransferQueue<E> extends AbstractQueue<E> implements Blocking
         private static final long serialVersionUID = 4684288940772921317L;
 
         // enough padding for 64bytes with 4byte refs
+        @SuppressWarnings("unused")
         Object p0, p1, p2, p3, p4, p5, p6, p7, p8, p9, pa, pb, pc, pd, pe;
         PaddedAtomicReference(T r) { super(r); }
     }