win32/configure.bat: check directory
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@46795 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
win32/configure.bat: check directory
[ruby-core:63648] [Bug #10027]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@46795 b2dd03c8-39d4-4d8f-98ff-823fe69b080e