Log Message:
Update php56 to 5.6.28 (PHP 5.6.28), including security fix (as usual).

10 Nov 2016, PHP 5.6.28

- Core:
  . Fixed bug #73337 (try/catch not working with two exceptions inside a same
    operation). (Dmitry)

- Bz2:
  . Fixed bug #73356 (crash in bzcompress function). (Stas)

-GD:
  . Fixed bug #73213 (Integer overflow in imageline() with antialiasing). (cmb)
  . Fixed bug #73272 (imagescale() is not affected by, but affects
    imagesetinterpolation()). (cmb)
  . Fixed bug #73279 (Integer overflow in gdImageScaleBilinearPalette()). (cmb)
  . Fixed bug #73280 (Stack Buffer Overflow in GD dynamicGetbuf). (cmb)
  . Fixed bug #72482 (Illegal write/read access caused by gdImageAALine overflow).
    (cmb)
  . Fixed bug #72696 (imagefilltoborder stackoverflow on truecolor images). (cmb)

- Imap:
  . Fixed bug #73418 (Integer Overflow in "_php_imap_mail" leads Heap \ 
Overflow).
    (Anatol)

- SPL:
  . Fixed bug #73144 (Use-after-free in ArrayObject Deserialization). (Stas)

- SOAP:
  . Fixed bug #73037 (SoapServer reports Bad Request when gzipped). (Anatol)

- SQLite3:
  . Fixed bug #73333 (2147483647 is fetched as string). (cmb)

- Standard:
  . Fixed bug #73203 (passing additional_parameters causes mail to fail). (cmb)
  . Fixed bug #73188 (use after free in userspace streams). (Sara)

- Wddx:
  . Fixed bug #73331 (NULL Pointer Dereference in WDDX Packet Deserialization
    with PDORow). (Stas)