Code cleanup, following FindBugs and Netbeans advices.

Ludovic Poitou

16.06.2012 925c72b81497842c5480fea7a460f557be2acb72

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

@@ -23,7 +23,7 @@
 *
 *
 *      Copyright 2006-2010 Sun Microsystems, Inc.
 *      Portions Copyright 2011 ForgeRock AS
 *      Portions Copyright 2011-2012 ForgeRock AS
 */
package org.opends.server.core;

@@ -901,9 +901,9 @@
      DN pluginEntryDN, Set<PluginType> pluginTypes)
  {
    pluginLock.lock();
    registeredPlugins.put(pluginEntryDN, plugin);
    try
    {
      registeredPlugins.put(pluginEntryDN, plugin);
      registerPlugin0(plugin, pluginTypes);
    }
    finally
@@ -5459,6 +5459,7 @@
  /**
   * {@inheritDoc}
   */
  @Override
  public boolean isConfigurationAddAcceptable(PluginCfg configuration,
                                              List<Message> unacceptableReasons)
  {
@@ -5495,6 +5496,7 @@
  /**
   * {@inheritDoc}
   */
  @Override
  public ConfigChangeResult applyConfigurationAdd(
                                 PluginCfg configuration)
  {
@@ -5548,6 +5550,7 @@
  /**
   * {@inheritDoc}
   */
  @Override
  public boolean isConfigurationDeleteAcceptable(
                      PluginCfg configuration,
                      List<Message> unacceptableReasons)
@@ -5561,6 +5564,7 @@
  /**
   * {@inheritDoc}
   */
  @Override
  public ConfigChangeResult applyConfigurationDelete(
                                 PluginCfg configuration)
  {
@@ -5578,6 +5582,7 @@
  /**
   * {@inheritDoc}
   */
  @Override
  public boolean isConfigurationChangeAcceptable(
                      PluginCfg configuration,
                      List<Message> unacceptableReasons)
@@ -5615,6 +5620,7 @@
  /**
   * {@inheritDoc}
   */
  @Override
  public ConfigChangeResult applyConfigurationChange(
                                 PluginCfg configuration)
  {