php5: update to 5.6.9

php5: update to 5.6.9

This fixes CVE-2006-7243, a multipart/form-data remote dos vulnerability,
a heap buffer overflow in unpack and a integer overflow in ftp_genlist,
which also results in a heap overflow.
For more details, see http://php.net/ChangeLog-5.php#5.6.9

Also sync the timezone patch with latest version from Debian and
adopt this patch for the changes in this php release.

Refresh 950-Fix-dl-cross-compiling-issue.patch.

Signed-off-by: Michael Heimpold <redacted>