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

Matthew Swift

19.26.2012 108e2020c1d149962dfc43dcbc6bc24a05a8e5f7

 opends/src/server/org/opends/server/tools/ListBackends.java

@@ -253,8 +253,8 @@
    {
      try
      {
        directoryServer.bootstrapClient();
        directoryServer.initializeJMX();
        DirectoryServer.bootstrapClient();
        DirectoryServer.initializeJMX();
      }
      catch (Exception e)
      {