sctp: remove the typedef sctp_state_t

This patch is to remove the typedef sctp_state_t, and
replace with enum sctp_state in the places where it's
using this typedef.

Signed-off-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/sctp/primitive.c b/net/sctp/primitive.c
index f0553a0..1fb5b9b 100644
--- a/net/sctp/primitive.c
+++ b/net/sctp/primitive.c
@@ -54,7 +54,7 @@ int sctp_primitive_ ## name(struct net *net, struct sctp_association *asoc, \
 			    void *arg) { \
 	int error = 0; \
 	sctp_event_t event_type; sctp_subtype_t subtype; \
-	sctp_state_t state; \
+	enum sctp_state state; \
 	struct sctp_endpoint *ep; \
 	\
 	event_type = SCTP_EVENT_T_PRIMITIVE; \