component/proftpd: version ↑ 1.3.6b
1.3.6a had a fix for building mod_sftp using OpenSSL 1.1.x, so we can use default openssl again. This should fix problems with proftpd-mod_auth_web that was linked against curl which already used openssl 1.1
1.3.6a had a fix for building mod_sftp using OpenSSL 1.1.x, so we can use default openssl again. This should fix problems with proftpd-mod_auth_web that was linked against curl which already used openssl 1.1