common.mk: comment on ALWAYS_UPDATE_UNICODE [ci skip]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@48088 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
common.mk: comment on ALWAYS_UPDATE_UNICODE [ci skip]
always update Unicode data files.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@48088 b2dd03c8-39d4-4d8f-98ff-823fe69b080e