git: wg: Fix bug in calculate_padding()

[Aaron LI]

commit 05c2812fa3ee03edaba9ac2f326ed89dd28b5275
Author: Aaron LI <aly at aaronly.me>
Date:   Mon Jan 15 21:48:18 2024 +0800

    wg: Fix bug in calculate_padding()
    
    The calculation for 'pkt->p_mtu == 0' case was wrong, but it didn't
    cause actual harm because currently only keepalive packets have
    'p_mtu = 0' but also have a zero length.
    
    Fix the calculation and add a comment about the keepalive packets.

Summary of changes:
 sys/net/wg/if_wg.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/05c2812fa3ee03edaba9ac2f326ed89dd28b5275


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