gnutls from home:lmulling:branches:security:tls project

需要 openSUSE Tumbleweed ，用 root 執行：

zypper addrepo https://download.opensuse.org/repositories/home:lmulling:branches:security:tls/openSUSE_Tumbleweed/home:lmulling:branches:security:tls.repo
zypper refresh
zypper install gnutls