pfPorts/php53 sync [1/3]: Update to 5.3.24 (FreeBSD Ports r316271)

pfSense comment:
- Sync with FreeBSD ports, new upstream (bugfix only) release.
pfPorts/php53 sync [2/3]: Suck in minor changes from Ports (FreeBSD Ports r316695)

Upstream message:
Convert the last USE_ICONV to USES=iconv
pfPorts/php53 sync [3/3]: Rely on bsdtar format auto-determination (FreeBSD Ports r316786)

Upstream message:
Rely on bsdtar to autodetermine the format of the distfiles when possible

For a while now bsdtar is able to autotermine compression and archive format.
Let's then use tar directly instead of piping to tar.

Now USE_BZIP2 and USE_XZ only set EXTRACT_SUFX to the right format

pfSense notes:
- Our patches still seem to apply correctly.