Commit fc6fefac for quagga.net

commit fc6fefacad2a82f1d0470ba73015e117076b6116
Author: Timo Teräs <timo.teras@iki.fi>
Date:   Sun Jul 19 18:07:31 2020 +0300

    nhrpd: change ipsec SA count to 32-bit

    Under certain misconfigurations, the SA count can be unusually high
    and wrap 8-bit counter. That leads to premature free, and crash.
    Make the count 32-bit to avoid crash in these rare conditions.

diff --git a/nhrpd/nhrpd.h b/nhrpd/nhrpd.h
index 9222ad4e..7c73717f 100644
--- a/nhrpd/nhrpd.h
+++ b/nhrpd/nhrpd.h
@@ -123,7 +123,7 @@ enum nhrp_notify_type {

 struct nhrp_vc {
 	struct notifier_list notifier_list;
-	uint8_t ipsec;
+	uint32_t ipsec;
 	uint8_t updating;
 	uint8_t abort_migration;