rbconfig/sizeof: nmake VPATH
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@57819 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
rbconfig/sizeof: nmake VPATH
using nmake.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@57819 b2dd03c8-39d4-4d8f-98ff-823fe69b080e