show: Fix inet6 addresses showing

Was broken by d57be38c -- this one pretty show does return 1.
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
Acked-by: Cyrill Gorcunov <gorcunov@openvz.org>

protobuf.c

@@ -364,7 +364,8 @@ static void pb_show_repeated(const ProtobufCFieldDescriptor *fd,
 	for (i = 0; i < nr_fields; i++) {
 		if (i)
 			pr_msg(":");
-		sh->show(field);
+		if (sh->show(field))
+			break;
 		field->data += sh->fsize;
 	}
 }