Fixed bug #64142 (dval to lval different behavior on ppc64)

On x86_64:
(long)(double)9223372036854775807+1 = -9223372036854775808
On ppc64
(long)(double)9223372036854775807-1 = 9223372036854775807
Merge branch 'PHP-5.4' into PHP-5.5

* PHP-5.4:
  Fixed bug #64142 (dval to lval different behavior on ppc64)
NEWS
Merge branch 'PHP-5.5'

* PHP-5.5:
  NEWS
  Fixed bug #64142 (dval to lval different behavior on ppc64)
Update config.guess to latest GPLv2 upstream version

This adds the ability to configure/build *on* 64-bit ARMv8,
which uses the host triplet 'aarch64-linux-gnu'.

Source:
  http://git.savannah.gnu.org/gitweb/?p=config.git;h=306afce
Add ARM optimized versions of safe_address()

The function safe_address() uses inline assembler to detect
overflow in size/offset calculations, as detecting this in
plain C is a lot more work.
revert
Merge branch 'PHP-5.4' into PHP-5.5

* PHP-5.4:
  revert
revert
Merge branch 'PHP-5.5'

* PHP-5.5:
  revert
  revert
make libvpx optional
Merge branch 'PHP-5.5'

* PHP-5.5:
  make libvpx optional
Check if soap.wsdl_cache_dir confirms to open_basedir
Merge branch 'PHP-5.3' into PHP-5.4

* PHP-5.3:
  Check if soap.wsdl_cache_dir confirms to open_basedir
Merge branch 'PHP-5.4' into PHP-5.5

* PHP-5.4:
  Check if soap.wsdl_cache_dir confirms to open_basedir
Merge branch 'PHP-5.5'

* PHP-5.5:
  Check if soap.wsdl_cache_dir confirms to open_basedir
fix bug #64124 (IPv6 malformed)

hostname returned from zend_parse_parameters() was modified in
netsnmp_session_init() that caused imput parameter modification along with
unpredictable changes when parameter is a constant sctring.

One typo in comment was fixed.
Merge branch 'PHP-5.4' into PHP-5.5

* PHP-5.4:
  fix bug #64124 (IPv6 malformed)
Merge branch 'PHP-5.5'

* PHP-5.5:
  fix bug #64124 (IPv6 malformed)
Disabled external entities loading