Version 1.4.0-dev.5.1

Bump version number - the build for version 1.4.0-dev.5.0 did not have its version increased

git-svn-id: http://dart.googlecode.com/svn/trunk@35677 260f80e4-7a28-3924-810f-c04153c831b5
diff --git a/tools/VERSION b/tools/VERSION
index c8357bb..ef14d62 100644
--- a/tools/VERSION
+++ b/tools/VERSION
@@ -27,5 +27,5 @@
 MAJOR 1
 MINOR 4
 PATCH 0
-PRERELEASE 4
-PRERELEASE_PATCH 0
+PRERELEASE 5
+PRERELEASE_PATCH 1