merge revision(s) 52556,52557: [Backport #10735]
* ext/openssl/ossl_pkey.c: Merge ruby/openssl@b9ea8ef [Bug #10735]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_1@52643 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
merge revision(s) 52556,52557: [Backport #10735]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_1@52643 b2dd03c8-39d4-4d8f-98ff-823fe69b080e