Fix type typo in regexp patch file.

runtime/lib/regexp_patch.dart

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 import "dart:collection" show LinkedList, LinkedListEntry;
 
 patch class RegExp {
   /* patch */ factory RegExp(String source,
                              {bool multiLine: false,
                               bool caseSensitive: true}) {
@@ skipping 30 matching lines @@
   // Regular expression objects are stored in a cache of up to _MAX_CACHE_SIZE
   // elements using an LRU eviction strategy.
   // TODO(zerny): Do not impose a fixed limit on the number of cached objects.
   // Other possibilities could be limiting by the size of the regexp objects,
   // or imposing a lower time bound for the most recent use under which a regexp
   // may not be removed from the cache.
   // TODO(zerny): Use self-sizing cache similar to _AccessorCache in
   // mirrors_impl.dart.
   static const int _MAX_CACHE_SIZE = 256;
   static final Map<_JSSyntaxRegExpHashKey, _JSSyntaxRegExp> _cache =
-      new HashMap<_JSSyntaxRegExpHashKey, _JSSyntaxRegExpValue>();
+      new HashMap<_JSSyntaxRegExpHashKey, _JSSyntaxRegExpHashValue>();
   static final LinkedList<_JSSyntaxRegExpHashKey> _recentlyUsed =
       new LinkedList<_JSSyntaxRegExpHashKey>();
 }
 
 
 // Represents both a key in the regular expression cache as well as its
 // corresponding entry in the LRU list.
 class _JSSyntaxRegExpHashKey extends LinkedListEntry<_JSSyntaxRegExpHashKey> {
   final String pattern;
   final bool multiLine;
@@ skipping 212 matching lines @@
           _nextIndex++;
         }
         return true;
       }
     }
     _current = null;
     _re = null;
     return false;
   }
 }