pfPorts/php53: Update to 5.3.23 (FreeBSD-Ports r314596)

Security:   1d23109a-9005-11e2-9602-d43d7e0c7c02

pfSense comment:
- Sync with FreeBSD ports, new upstream release.
- Our patches still seem to apply fine
Merge pull request #101 from matsimon/php53_5.3.23

pfPorts/php53: Update to 5.3.23 (FreeBSD-Ports r314596)