Fixed bug #64128 buit-in web server is broken on ppc64.

fdset management using bit operator is broken on non-x86 arch
and cause built-in server the enter an infinite loop of "select"
and never handle any request.
Merge branch 'PHP-5.4' into PHP-5.5

* PHP-5.4:
  Fixed bug #64128 buit-in web server is broken on ppc64.
NEWS
Merge branch 'PHP-5.5'

* PHP-5.5:
  NEWS
  Fixed bug #64128 buit-in web server is broken on ppc64.