sctp_core: handle shutdown_comp sctp event.
diff --git a/src/sctp_core.erl b/src/sctp_core.erl
index 654114b..9506be2 100644
--- a/src/sctp_core.erl
+++ b/src/sctp_core.erl
@@ -203,6 +203,7 @@
 					NewState = idle
 			end;
 		SacState == addr_unreachable;
+		SacState == shutdown_comp;
 		SacState == cant_assoc	->
 			case LoopDat#sctp_state.role of
 				active ->