commit bf944e3794eff5413f2df1ef37cddf96918c6bde
Author: Damien Miller <djm@mindrot.org>
Date:   Mon Sep 27 00:03:19 2021 +1000

    initgroups needs grp.h

diff --git misc.c misc.c
index d94438da6..0134d6949 100644
--- misc.c
+++ misc.c
@@ -56,6 +56,7 @@
 #ifdef HAVE_PATHS_H
 # include <paths.h>
 #include <pwd.h>
+#include <grp.h>
 #endif
 #ifdef SSH_TUN_OPENBSD
 #include <net/if.h>
