Upadte vendored dependencies

vendor/github.com/ncw/swift/swift.go

@@ -471,6 +471,7 @@ again:
 	}
 	if req != nil {
 		timer := time.NewTimer(c.ConnectTimeout)
+		defer timer.Stop()
 		var resp *http.Response
 		resp, err = c.doTimeoutRequest(timer, req)
 		if err != nil {
@@ -691,6 +692,7 @@ func (c *Connection) Call(targetUrl string, p RequestOpts) (resp *http.Response,
 			URL.RawQuery = p.Parameters.Encode()
 		}
 		timer := time.NewTimer(c.ConnectTimeout)
+		defer timer.Stop()
 		reader := p.Body
 		if reader != nil {
 			reader = newWatchdogReader(reader, c.Timeout, timer)