POSIXized include files.

(get_real_username): Test HAVE_LIBAUTHUSER instead of RFC_931.

src/server/rfc931.c

 /*
- * $Id: rfc931.c,v 1.8 1993/10/08 17:43:53 ceder Exp $
+ * $Id: rfc931.c,v 1.9 1993/10/10 16:59:34 ceder Exp $
  * Copyright (C) 1991  Lysator Academic Computer Association.
  *
  * This file is part of the LysKOM server.
@@ -31,20 +31,22 @@
  * Link with "-lauthuser".
  */
 
-#include <stddef.h>
-#include "isc-interface.h"
-#include "rfc931.h"
-#ifdef RFC_931
-#include <authuser.h>
-#endif
+#ifdef HAVE_LIBAUTHUSER
 #include <errno.h>
+#include <authuser.h>
+#include <stdio.h>
+#include <time.h>
+
 #include "log.h"
+#endif
+
+#include "isc-interface.h"
 
 char *
 get_real_username(IscSession *scb,
 		  char *hostname)
 {
-#ifdef RFC_931
+#ifdef HAVE_LIBAUTHUSER
     unsigned long inlocal;
     unsigned long inremote;
     unsigned short local;