Version 0.6.21.4

svn merge -c 27167 https://dart.googlecode.com/svn/branches/bleeding_edge 0.6


git-svn-id: http://dart.googlecode.com/svn/branches/0.6@27590 260f80e4-7a28-3924-810f-c04153c831b5
diff --git a/tools/VERSION b/tools/VERSION
index d90d5d2..31a19a2 100644
--- a/tools/VERSION
+++ b/tools/VERSION
@@ -1,4 +1,4 @@
 MAJOR 0
 MINOR 6
 BUILD 21
-PATCH 3
+PATCH 4