fix condition for free
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@35084 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
fix condition for free
posix_memalign() are not defined together normally.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@35084 b2dd03c8-39d4-4d8f-98ff-823fe69b080e