variable.c: fix the condition to cache
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@57305 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
variable.c: fix the condition to cache
path and cache permanent or temporary path corresponding to the
outer klass. [ruby-core:79039] [Bug #13120]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@57305 b2dd03c8-39d4-4d8f-98ff-823fe69b080e