Clean up some warnings.

editor/tools/plugins/com.google.dart.tools.core/src/com/google/dart/tools/core/search/SearchException.java

Index: editor/tools/plugins/com.google.dart.tools.core/src/com/google/dart/tools/core/search/SearchException.java
===================================================================
--- editor/tools/plugins/com.google.dart.tools.core/src/com/google/dart/tools/core/search/SearchException.java	(revision 11395)
+++ editor/tools/plugins/com.google.dart.tools.core/src/com/google/dart/tools/core/search/SearchException.java	(working copy)
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2011, the Dart project authors.
+ * Copyright (c) 2012, the Dart project authors.
  * 
  * Licensed under the Eclipse Public License v1.0 (the "License"); you may not use this file except
  * in compliance with the License. You may obtain a copy of the License at
@@ -17,24 +17,15 @@
  * An exception class representing a search failure.
  */
 public class SearchException extends Exception {
+  private static final long serialVersionUID = 1L;
 
-  /**
-   * 
-   */
   public SearchException() {
-
   }
 
-  /**
-   * @param message
-   */
   public SearchException(String message) {
     super(message);
   }
 
-  /**
-   * @param cause
-   */
   public SearchException(Throwable cause) {
     super(cause);
   }