asterisk-13.11.2-1.fc27.2 failed to build with following error. It is probably related to update OpenSSL 1.1.0

tcptls.c:401:20: error: dereferencing pointer to incomplete type 'SSL {aka struct ssl_st}'
    if (!stream->ssl->server) {
                    ^~
tcptls.c:404:5: warning: 'ERR_remove_thread_state' is deprecated [-Wdeprecated-declarations]
     ERR_remove_thread_state(NULL);
     ^~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/openssl/opensslconf.h:42:0,
                 from /usr/include/openssl/ct.h:13,
                 from /usr/include/openssl/ssl.h:61,
                 from /builddir/build/BUILD/asterisk-13.11.2/include/asterisk/tcptls.h:66,
                 from tcptls.c:44:
/usr/include/openssl/err.h:247:1: note: declared here
 DEPRECATEDIN_1_1_0(void ERR_remove_thread_state(void *))
 ^
tcptls.c: In function '__ssl_setup':
tcptls.c:780:31: error: implicit declaration of function 'SSLv2_client_method'; did you mean 'SSLv3_client_method'? [-Werror=implicit-function-declaration]
    cfg->ssl_ctx = SSL_CTX_new(SSLv2_client_method());
                               ^~~~~~~~~~~~~~~~~~~
                               SSLv3_client_method