Fix OPENDJ-525: Remove compiler warnings when building using JDK7

Matthew Swift

19.26.2012 861c4b510223ddfeb68deabd5c4a0d309990a32c

 opendj-sdk/opends/resource/Messages.java.stub

@@ -63,6 +63,7 @@
  * it returns <CODE>null</CODE> if the default ClassLoader is to be
  * used.
  */
  @SuppressWarnings("unused")
  private static ClassLoader getClassLoader()
  {
    ClassLoader cl;