Before this change, calling the `oauthutil.NewRenew` func may cause goroutine leaks. This change adds a `Shutdown` method to allow the caller to exit the goroutine to avoid leaks. Signed-off-by: rkonfj <rkonfj@gmail.com>
This can be used by backends to trigger a refresh of an access token if they detect an invalid token.
git grep -l github.com/ncw/rclone | xargs -d'\n' perl -i~ -lpe 's|github.com/ncw/rclone|github.com/rclone/rclone|g' goimports -w `find . -name \*.go`
