win32.c: pass through unknown sequence

* win32/win32.c (constat_apply): pass through unknown sequence which
  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@40078 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
win32.c: pass through unknown sequence

* win32/win32.c (constat_apply): pass through unknown sequence which
  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