win32.c: pass through unknown sequence
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40079 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
win32.c: pass through unknown sequence
starts with ESC but is not followed by a bracket. [ruby-core:53879]
[Bug #8201]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40079 b2dd03c8-39d4-4d8f-98ff-823fe69b080e