BUG/MINOR: http: fix typo: "401 Unauthorized" => "407 Unauthorized"

401 Unauthorized => 407 Unauthorized

Signed-off-by: Godbach <nylzhaowei@gmail.com>
(cherry picked from commit 1f1fae62027156eb597a4dc97952e8abdad0ee28)
diff --git a/src/proto_http.c b/src/proto_http.c
index 9dccc6e..44822e3 100644
--- a/src/proto_http.c
+++ b/src/proto_http.c
@@ -124,7 +124,7 @@
 	"Content-Type: text/html\r\n"
 	"Proxy-Authenticate: Basic realm=\"%s\"\r\n"
 	"\r\n"
-	"<html><body><h1>401 Unauthorized</h1>\nYou need a valid user and password to access this content.\n</body></html>\n";
+	"<html><body><h1>407 Unauthorized</h1>\nYou need a valid user and password to access this content.\n</body></html>\n";
 
 
 const int http_err_codes[HTTP_ERR_SIZE] = {