timev.h: move time_t stuffs
timev.h (TYPEOF_TIMEVAL_TV_SEC, unsigned_time_t): move from time.c.
thread.c: use definitions in timev.h.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40011 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
timev.h: move time_t stuffs
timev.h (TYPEOF_TIMEVAL_TV_SEC, unsigned_time_t): move from time.c.
thread.c: use definitions in timev.h.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40011 b2dd03c8-39d4-4d8f-98ff-823fe69b080e