escape.c: Preserve original state
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53233 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
escape.c: Preserve original state
original state for tainted and frozen. [Fix GH-1166]
[ruby-dev:49451] [Bug #11855]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53233 b2dd03c8-39d4-4d8f-98ff-823fe69b080e