workaround for mingw
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@35101 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
workaround for mingw
file get created actually. workaround for the case that the exit
status of a cygwin program seems lost on mingw.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@35101 b2dd03c8-39d4-4d8f-98ff-823fe69b080e