Update php53 to 5.3.22.

PHP                                                                        NEWS
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21 Feb 2013, PHP 5.3.22

- Zend Engine:
  . Fixed bug #64099 (Wrong TSRM usage in zend_Register_class alias). (Johannes)
  . Fixed bug #63899 (Use after scope error in zend_compile). (Laruence)

- Core
  . Fixed bug #63943 (Bad warning text from strpos() on empty needle).
    (Laruence)

- Date:
  . Fixed bug #55397 (comparsion of incomplete DateTime causes SIGSEGV).
    (Laruence, Derick)

- FPM:
  . Fixed bug #63999 (php with fpm fails to build on Solaris 10 or 11). (Adam)

- SOAP
  . Added check that soap.wsdl_cache_dir conforms to open_basedir
    (CVE-2013-1635). (Dmitry)
  . Disabled external entities loading (CVE-2013-1643). (Dmitry)

- SPL:
  . Fixed bug #64106 (Segfault on SplFixedArray[][x] = y when extended). (Nikita Popov)

(taca)