Revert to the patch for 4.1x/4.0x

Use-gnutls_set_default_priority.patch

@@ -1,16 +1,9 @@
-From 58eb69d5f471a7d6c13d54e235164595a0968049 Mon Sep 17 00:00:00 2001
+From 73499eb72f268a0178d88c2144d9961a503f11fc Mon Sep 17 00:00:00 2001
 From: Nicolas Chauvet <kwizart@gmail.com>
-Date: Sat, 15 Jun 2019 16:18:42 +0200
+Date: Mon, 24 Sep 2018 18:12:27 +0200
-Subject: [PATCH] Use gnutls_set_default_priority
+Subject: [PATCH] gnutls Switch to default (system) priority
 
-This will use the default priority for gnutls.
-
-When supported, the priority will be set to @SYSTEM which allows to
-adapt the ciphers list at runtime according to the policy set.
-
-See also:
 https://fedoraproject.org/wiki/Packaging:CryptoPolicies
-https://wiki.debian.org/CryptoPolicy
 
 Signed-off-by: Nicolas Chauvet <kwizart@gmail.com>
 ---
@@ -18,7 +11,7 @@ Signed-off-by: Nicolas Chauvet <kwizart@gmail.com>
  1 file changed, 1 insertion(+), 1 deletion(-)
 
 diff --git a/libavformat/tls_gnutls.c b/libavformat/tls_gnutls.c
-index f32bc2821b..b30e8ea007 100644
+index e3c43683be..673a18ac6a 100644
 --- a/libavformat/tls_gnutls.c
 +++ b/libavformat/tls_gnutls.c
 @@ -181,7 +181,7 @@ static int tls_open(URLContext *h, const char *uri, int flags, AVDictionary **op
@@ -27,9 +20,9 @@ index f32bc2821b..b30e8ea007 100644
      gnutls_transport_set_ptr(p->session, c->tcp);
 -    gnutls_priority_set_direct(p->session, "NORMAL", NULL);
 +    gnutls_set_default_priority (p->session);
-     do {
+     ret = gnutls_handshake(p->session);
-         ret = gnutls_handshake(p->session);
+     if (ret) {
-         if (gnutls_error_is_fatal(ret)) {
+         ret = print_tls_error(h, ret);
 -- 
 2.17.2