$NetBSD: patch-contrib_mod__load_configure.in,v 1.2 2021/10/16 19:46:42 tm Exp $

Solaris and derivates has loadavg in sys/loadavg.h

--- contrib/mod_load/configure.in.orig	Tue Jul 21 17:25:51 2020
+++ contrib/mod_load/configure.in	Fri Oct 15 09:22:45 2021
@@ -63,7 +63,7 @@
   ])
 
 AC_HEADER_STDC
-AC_CHECK_HEADERS(stdlib.h unistd.h limits.h fcntl.h)
+AC_CHECK_HEADERS(stdlib.h unistd.h limits.h fcntl.h sys/loadavg.h)
 
 dnl _Must_ come before AC_FUNC_GETLOADAVG
 AC_CHECK_LIB(kstat, kstat_open)