Fix x-forwarded-for header

src/connection.rs

@@ -48,7 +48,7 @@ impl Connection {
         let client_request = self.client.request_from(self.upload_url(), req.head());
 
         let client_request = if let Some(addr) = req.head().peer_addr {
-            client_request.header("X-Forwareded-For", addr.to_string())
+            client_request.header("X-Forwarded-For", addr.to_string())
         } else {
             client_request
         };