Accepting request 635768 from home:henrix:branches:security:tls

- Backport of upstream fixes (boo#1108450)
  Fixes taken from upstream commits:
  ** 3df5b7bc8a64 ("cert-cred: fix possible segfault when resetting cert retrieval function")
  ** 42945a7aab6d ("allow no certificates to be reported by the gnutls_certificate_retrieve_function callbacks")
  ** 10f83e36ed92 ("hello_ext_parse: apply the test for pre-shared key ext being last on client hello")
  The patch was taken from https://github.com/weechat/weechat/issues/1231

OBS-URL: https://build.opensuse.org/request/show/635768
OBS-URL: https://build.opensuse.org/package/show/security:tls/gnutls?expand=0&rev=6

gnutls.spec

@@ -12,7 +12,7 @@
 # license that conforms to the Open Source Definition (Version 1.9)
 # published by the Open Source Initiative.
 
-# Please submit bugfixes or comments via http://bugs.opensuse.org/
+# Please submit bugfixes or comments via https://bugs.opensuse.org/
 #
 
 
@@ -41,6 +41,7 @@ Source2:        %{name}.keyring
 Source3:        baselibs.conf
 Patch1:         gnutls-3.5.11-skip-trust-store-tests.patch
 Patch2:         gnutls-3.6.0-disable-flaky-dtls_resume-test.patch
+Patch3:         gnutls-3.6.3-backport-upstream-fixes.patch
 BuildRequires:  autogen
 BuildRequires:  automake
 BuildRequires:  datefudge
@@ -163,6 +164,7 @@ GnuTLS Wrappers for GNU Guile, a dialect of Scheme.
 %ifarch ppc64 ppc64le ppc
 %patch2 -p1
 %endif
+%patch3 -p1
 
 %build
 export LDFLAGS="-pie"