tipc: bcast: use true and false for boolean values

Assign true or false to boolean variables instead of an integer value.

This issue was detected with the help of Coccinelle.
Signed-off-by: NGustavo A. R. Silva <garsilva@embeddedor.com>
Acked-by: NYing Xue <ying.xue@windriver.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

net/tipc/bcast.c

@@ -574,5 +574,5 @@ void tipc_nlist_purge(struct tipc_nlist *nl)
 {
 	tipc_dest_list_purge(&nl->list);
 	nl->remote = 0;
-	nl->local = 0;
+	nl->local = false;
 }