[chore] Update gorilla/websocket (#3561)

The maintainers messed with the v1.5.2 tag which causes Go checksum
validation problems as the Go module proxy saw and recorded the original
hash.

This updates to 1.5.3 which doesn't have the issue.

1 files changed, 2 insertions, 4 deletions

diff --git a/vendor/github.com/gorilla/websocket/proxy.go b/vendor/github.com/gorilla/websocket/proxy.go
index 3c570c26f..e0f466b72 100644
--- a/vendor/github.com/gorilla/websocket/proxy.go
+++ b/vendor/github.com/gorilla/websocket/proxy.go
@@ -12,8 +12,6 @@ import (
 	"net/http"
 	"net/url"
 	"strings"
-
-	"golang.org/x/net/proxy"
 )
 
 type netDialerFunc func(network, addr string) (net.Conn, error)
@@ -23,7 +21,7 @@ func (fn netDialerFunc) Dial(network, addr string) (net.Conn, error) {
 }
 
 func init() {
-	proxy.RegisterDialerType("http", func(proxyURL *url.URL, forwardDialer proxy.Dialer) (proxy.Dialer, error) {
+	proxy_RegisterDialerType("http", func(proxyURL *url.URL, forwardDialer proxy_Dialer) (proxy_Dialer, error) {
 		return &httpProxyDialer{proxyURL: proxyURL, forwardDial: forwardDialer.Dial}, nil
 	})
 }
@@ -70,7 +68,7 @@ func (hpd *httpProxyDialer) Dial(network string, addr string) (net.Conn, error)
 		return nil, err
 	}
 
-	if resp.StatusCode != http.StatusOK {
+	if resp.StatusCode != 200 {
 		conn.Close()
 		f := strings.SplitN(resp.Status, " ", 2)
 		return nil, errors.New(f[1])