Update php53 package to 5.3.8.

Update php53 package to 5.3.8.

(crypt()'s problem was already fixed our php53-5.3.7nb1 package.)

PHP                                                                        NEWS
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23 Aug 2011, PHP 5.3.8

- Core:
  . Fixed bug #55439 (crypt() returns only the salt for MD5). (Stas)

- OpenSSL:
  . Reverted a change in timeout handling restoring PHP 5.3.6 behavior,
    as the new behavior caused mysqlnd SSL connections to hang (#55283).
    (Pierre, Andrey, Johannes)