This fix a Problem, when MySQL build with libressl

/var/ports/usr/ports/databases/mysql56-client/work/mysql-5.6.47/vio/viosslfactories.c:230:25: error: use of undeclared identifier 'SSL_OP_NO_TLSv1_3'

SSL_OP_NO_TLSv1_3 |
^

/var/ports/usr/ports/databases/mysql56-client/work/mysql-5.6.47/vio/viosslfactories.c:275:12: warning: implicit declaration of function 'SSL_CTX_set_ciphersuites' is invalid in C99 [-Wimplicit-function-declaration]

if (0 == SSL_CTX_set_ciphersuites(ssl_fd->ssl_context, ""))

Special thanks for his help to: fluffy

PR: 244320
MFH: 2020Q1
Sponsored by: Netzkommune GmbH