mkmf.rb: unspace
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@37017 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
mkmf.rb: unspace
makes need to escape spaces with backslashes. nmake is not the
case. [Bug #7036]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@37017 b2dd03c8-39d4-4d8f-98ff-823fe69b080e