sunrpc: turn bitfield flags in svc_version into bools

It's just simpler to read this way, IMO. Also, no need to explicitly
set vs_hidden to false in the nfsacl ones.

Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
diff --git a/net/sunrpc/svc.c b/net/sunrpc/svc.c
index 75f290b..85bcdea 100644
--- a/net/sunrpc/svc.c
+++ b/net/sunrpc/svc.c
@@ -385,7 +385,7 @@ static int svc_uses_rpcbind(struct svc_serv *serv)
 		for (i = 0; i < progp->pg_nvers; i++) {
 			if (progp->pg_vers[i] == NULL)
 				continue;
-			if (progp->pg_vers[i]->vs_hidden == 0)
+			if (!progp->pg_vers[i]->vs_hidden)
 				return 1;
 		}
 	}