Implements feature Bug #63472 ability to set SO_BINDTODEVICE on socket.
Merge branch 'PHP-5.4' into PHP-5.5

* PHP-5.4:
  Implements feature Bug #63472 ability to set SO_BINDTODEVICE on socket.

Conflicts:
	ext/sockets/sockets.c
Merge branch 'PHP-5.5'

* PHP-5.5:
  Implements feature Bug #63472 ability to set SO_BINDTODEVICE on socket.