openssl: use NUM2TIMET() to convert Integer to time_t
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55219 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
openssl: use NUM2TIMET() to convert Integer to time_t
NUM2LONG(). time_t may be larger than long.
[ruby-core:45552] [Bug #6571]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55219 b2dd03c8-39d4-4d8f-98ff-823fe69b080e