common.mk: update unicode files every times
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@48101 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
common.mk: update unicode files every times
[ruby-core:65842] [Bug #10415]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@48101 b2dd03c8-39d4-4d8f-98ff-823fe69b080e