rxrpc: Clean up whitespace

Clean up some whitespace from rxrpc.

Signed-off-by: David Howells <dhowells@redhat.com>
diff --git a/net/rxrpc/call_event.c b/net/rxrpc/call_event.c
index bda952f..555274d 100644
--- a/net/rxrpc/call_event.c
+++ b/net/rxrpc/call_event.c
@@ -426,7 +426,7 @@ void rxrpc_process_call(struct work_struct *work)
 	next = call->expect_rx_by;
 
 #define set(T) { t = READ_ONCE(T); if (time_before(t, next)) next = t; }
-	
+
 	set(call->expect_req_by);
 	set(call->expect_term_by);
 	set(call->ack_at);