common.mk: double quotes
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53432 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
common.mk: double quotes
of escape by caret in nmake.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53432 b2dd03c8-39d4-4d8f-98ff-823fe69b080e