Fix bug #64458 (dns_get_record result with string of length -1)
Merge branch 'PHP-5.3' into PHP-5.4

* PHP-5.3:
  Fix bug #64458 (dns_get_record result with string of length -1)
Merge branch 'PHP-5.4' into PHP-5.5

* PHP-5.4:
  Fix bug #64458 (dns_get_record result with string of length -1)
Merge branch 'PHP-5.3' into PHP-5.4

* PHP-5.3:
  Fix bug #64458 (dns_get_record result with string of length -1)
Merge branch 'PHP-5.4' into PHP-5.5

* PHP-5.4:
Merge branch 'PHP-5.5'

* PHP-5.5:
  Fix bug #64458 (dns_get_record result with string of length -1)