File 1016-http_request-Fix-to-handle-undefined-port-in-uri.patch of Package erlang

From c8f337ddbb1d1b6e9b719e6cd072a926be1430be Mon Sep 17 00:00:00 2001
From: Ao Song <andy@erlang.org>
Date: Mon, 25 May 2020 18:23:16 +0200
Subject: [PATCH] http_request: Fix to handle undefined port in uri

Add match for undefined in function http_request:normalize_host/3
to handle situation when port undefined in uri.
---
 lib/inets/src/http_lib/http_request.erl | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/lib/inets/src/http_lib/http_request.erl b/lib/inets/src/http_lib/http_request.erl
index c49402cc1f..2510cdede2 100644
--- a/lib/inets/src/http_lib/http_request.erl
+++ b/lib/inets/src/http_lib/http_request.erl
@@ -103,9 +103,11 @@ is_absolut_uri(_) ->
 %% Description: returns a normalized Host header value, with the port
 %% number omitted for well-known ports
 %%-------------------------------------------------------------------------
-normalize_host(https, Host, 443 = _Port) ->
+normalize_host(https, Host, Port) when Port =:= 443 orelse
+                                       Port =:= undefined ->
     Host;
-normalize_host(http, Host, 80 = _Port) ->
+normalize_host(http, Host, Port) when Port =:= 80 orelse
+                                      Port =:= undefined ->
     Host;
 normalize_host(_Scheme, Host, Port) ->
     Host ++ ":" ++ integer_to_list(Port).
-- 
2.26.2