sctp: whitespace fixes

Remove blank line at EOF and trailing whitespace.
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/sctp/sm_sideeffect.c

@@ -1827,4 +1827,3 @@ static int sctp_cmd_interpreter(enum sctp_event event_type,
 	error = -ENOMEM;
 	goto out;
 }
-