*ext/openssl/ossl_pkey.c: Add documentation.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@31639 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
*ext/openssl/ossl_pkey.c: Add documentation.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@31639 b2dd03c8-39d4-4d8f-98ff-823fe69b080e