time.c: check re-initialize
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39766 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
time.c: check re-initialize
be newly created instance. [ruby-core:53436] [Bug #8099]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39766 b2dd03c8-39d4-4d8f-98ff-823fe69b080e