HHVM does not like it when we call an non-existent parent constructor.
Merge pull request #381 from bantu/hhvm-parent-constructor-php4

HHVM does not like it when we call an non-existent parent constructor.

* bantu/hhvm-parent-constructor-php4:
  HHVM does not like it when we call an non-existent parent constructor.
Merge branch 'master' into php5

* master:
  HHVM does not like it when we call an non-existent parent constructor.

Conflicts:
	phpseclib/Crypt/TripleDES.php