- Change check for return value of 'SSL_CTX_set_cipher_list'
   in order to handle 0 as error setting cipher.
 - Thanks to Dan Lukes for finding the problem!


mysql-test/r/openssl_1.result:
  Update result
mysql-test/t/openssl_1.test:
  Add test for setting ssl-cipher to be used
vio/viosslfactories.c:
  Change error handling of SSL_CTX_set_cipher_list to
  detect 0 as an error