php: security bump to version 5.5.14

Fixes:

CVE-2014-3981 - insecure temporary file use in the configure script.
CVE-2014-0207 - cdf_read_short_sector insufficient boundary check.
CVE-2014-3478 - mconvert incorrect handling of truncated pascal string
size.
CVE-2014-3479 - cdf_check_stream_offset insufficient boundary check.
CVE-2014-3480 - cdf_count_chain insufficient boundary check.
CVE-2014-3487 - cdf_read_property_info insufficient boundary check.
CVE-2014-4049 - Fix potential segfault in dns_get_record().
CVE-2014-3515 - unserialize() SPL ArrayObject / SPLObjectStorage Type
Confusion.

Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>