Ruby » Ruby master

date_core.c: preserve timezone

• ext/date/date_core.c (time_to_time): should preserve timezone
  info. [ruby-core:74889] [Bug #12271]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@54553 b2dd03c8-39d4-4d8f-98ff-823fe69b080e