Make the mbstat preserve the same size which is actually used. Also
authoryasuoka <yasuoka@openbsd.org>
Sun, 16 Jul 2023 03:01:31 +0000 (03:01 +0000)
committeryasuoka <yasuoka@openbsd.org>
Sun, 16 Jul 2023 03:01:31 +0000 (03:01 +0000)
commitcea35e798e12953fe0c2bf514e802d209589bc05
treeef33ed37a89d4f54a5defdc6759aa30515d084be
parentf8783f21367c820abe97f37aef16bca682dfbdbd
Make the mbstat preserve the same size which is actually used.  Also
revert the previous that the mbstat is located on the stack.

ok claudio
sys/kern/kern_sysctl.c
sys/sys/mbuf.h
usr.bin/netstat/mbuf.c