openssl: fix build with OpenSSL 1.1.0 and no pkg-config
ext/openssl/extconf.rb: Check for CRYPTO_malloc() and SSL_new().
OpenSSL_add_all_digests() and SSL_library_init() are deprecated and
converted to macros in OpenSSL 1.1.0. [ruby-core:75225] [Feature #12324]
openssl: fix build with OpenSSL 1.1.0 and no pkg-config
OpenSSL_add_all_digests() and SSL_library_init() are deprecated and
converted to macros in OpenSSL 1.1.0.
[ruby-core:75225] [Feature #12324]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55335 b2dd03c8-39d4-4d8f-98ff-823fe69b080e