Fix the following sparse warning:
	* symbol 'sctp_init_cause_fixed' was not declared. Should it be
	  static?
Signed-off-by: NIoan Orghici <ioanorghici@gmail.com>
Acked-by: NVlad Yasevich <vyasevich@gmail.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>