goinstall: fix -u for bzr

Changeset 7012:65601d7cac9e broke goinstall -u for bzr
branches.  This will fix it.

R=golang-dev, adg
CC=golang-dev
https://golang.org/cl/3852041

diff --git a/src/cmd/goinstall/download.go b/src/cmd/goinstall/download.go
index 61cabca17e57d4f4262874821c392f17d626c5a9..889f9d857bf6820a41e2acee588c977b12c76e04 100644 (file)
--- a/src/cmd/goinstall/download.go
+++ b/src/cmd/goinstall/download.go
@@ -140,7 +140,7 @@ var svn = vcs{
 var bzr = vcs{
        cmd:               "bzr",
        metadir:           ".bzr",
-       checkout:          "checkout",
+       checkout:          "update",
        clone:             "branch",
        update:            "update",
        updateReleaseFlag: "-rrelease",