Fix typo from previous commit

Ludovic Poitou

01.02.2013 37ec852ed0d49c6dade8af34dfd4594db7c0784f

Fix typo from previous commit

 opends/src/server/org/opends/server/core/GroupManager.java

@@ -124,8 +124,7 @@

  // A mapping between the DNs of all group entries and the corresponding
  // group instances.
  private DITCacheMap<Group>
      groupInstances;
  private DITCacheMap<Group> groupInstances;

  // Lock to protect internal data structures.
  private final ReentrantReadWriteLock lock;