php: security bump to version 5.3.23

Fixes CVE-2013-1635 and CVE-2013-1643.

Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>

package/php/php.mk

@@ -4,7 +4,7 @@
 #
 #############################################################
 
-PHP_VERSION = 5.3.22
+PHP_VERSION = 5.3.23
 PHP_SOURCE = php-$(PHP_VERSION).tar.bz2
 PHP_SITE = http://www.php.net/distributions
 PHP_INSTALL_STAGING = YES