doc: update go1.6.txt
Mention shallow clones.
Fixes #13204
Change-Id: I0ed9d4e829d388425beba0d64e6889d16d4bb173
Reviewed-on: https://go-review.googlesource.com/16822
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
diff --git a/doc/go1.6.txt b/doc/go1.6.txt
index 5aa3efc..e93269b 100644
--- a/doc/go1.6.txt
+++ b/doc/go1.6.txt
@@ -3,6 +3,7 @@
cmd/go: vendoring enabled by default (https://golang.org/cl/13967/)
cmd/go: flags for tests must precede package name if present; also makes it easier to pass flags to test binaries (https://golang.org/cl/14826)
cmd/go: add -msan option (https://golang.org/cl/16169)
+cmd/go: use shallow clones for new git checkouts (https://golang.org/cl/16360)
cmd/compile: add -msan option (https://golang.org/cl/16160)
cmd/link: add -msan option (https://golang.org/cl/16161)
