[GETLOADAVG_PRIVILEGED] [POSIX]: Don't test [HAVE_SETUID] and [HAVE_SETGID].
Every system has those, and configure doesn't check for them.
diff --git a/misc.c b/misc.c
index 0b8c3cd..fa16c89 100644
--- a/misc.c
+++ b/misc.c
@@ -461,10 +461,10 @@
setregid functions, but they don't work as in BSD and only the POSIX.1
way works. */
-#if defined (HAVE_SETREUID) && defined (HAVE_SETUID)
+#ifndef HAVE_SETREUID
#undef HAVE_SETREUID
#endif
-#if defined (HAVE_SETREGID) && defined (HAVE_SETGID)
+#ifndef HAVE_SETREGID
#undef HAVE_SETREGID
#endif