merge revision(s) r45520: [Backport #9706]

	* ext/date/date_core.c (d_lite_cmp): should compare with #<.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_1@46185 b2dd03c8-39d4-4d8f-98ff-823fe69b080e