gc.c: restore cfp at finalizer
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59649 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
gc.c: restore cfp at finalizer
raised in a finalizer. [ruby-core:82432] [Bug #13832]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59649 b2dd03c8-39d4-4d8f-98ff-823fe69b080e