unused variable
use limit_extensions as we use security_limit_extensions later (free)
Merge branch 'PHP-5.3' into PHP-5.4

* PHP-5.3:
  use limit_extensions as we use security_limit_extensions later (free)
  unused variable
Merge branch 'PHP-5.4' into PHP-5.5

* PHP-5.4:
  use limit_extensions as we use security_limit_extensions later (free)
  unused variable