[NET]: Fill in a 32-bit hole in struct sock on 64-bit platforms.

	gfp_t			sk_allocation;

	int			sk_sndbuf;

	int			sk_route_caps;

	int			sk_rcvlowat;

	unsigned long 		sk_flags;

	unsigned long	        sk_lingertime;

	/*

	unsigned short		sk_max_ack_backlog;

	__u32			sk_priority;

	struct ucred		sk_peercred;

	int			sk_rcvlowat;

	long			sk_rcvtimeo;

	long			sk_sndtimeo;

	struct sk_filter      	*sk_filter;