r39766 denied to initialized already initialized time object

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39769 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* thread_pthread.c (numberof): renamed from ARRAY_SIZE() because
  other all files use numberof().

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39770 b2dd03c8-39d4-4d8f-98ff-823fe69b080e