ossl_cipher.c: workaround of OpenSSL API
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@48923 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
ossl_cipher.c: workaround of OpenSSL API
data gradually not to exceed INT_MAX. workaround of OpenSSL API
limitation. [ruby-core:67043] [Bug #10633]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@48923 b2dd03c8-39d4-4d8f-98ff-823fe69b080e