[release-branch.go1.5] go1.5.3

Change-Id: Id0700749ff51122cd3e0793f5d6adb50121bfe6c
Reviewed-on: https://go-review.googlesource.com/18595
Reviewed-by: Russ Cox <rsc@golang.org>
Reviewed-by: Chris Broadfoot <cbro@golang.org>

VERSION

diff --git a/VERSION b/VERSION
index 033d96c..b81a625 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-go1.5.2
\ No newline at end of file
+go1.5.3
\ No newline at end of file