fix CVE-2013-2110 - use correct formula to calculate string size
Merge branch 'PHP-5.3' into PHP-5.4

* PHP-5.3:
  fix CVE-2013-2110 - use correct formula to calculate string size
Merge branch 'PHP-5.4' into PHP-5.5

* PHP-5.4:
  fix CVE-2013-2110 - use correct formula to calculate string size
Merge branch 'PHP-5.5'

* PHP-5.5:
  fix CVE-2013-2110 - use correct formula to calculate string size