Handle slip options in the usual way (generate a dummy options file in

the module Makefile and don't clutter the sources with ifdefs).

Fixed nearby formatting bugs.

sys/modules/if_sl/Makefile

@@ -1,8 +1,8 @@
 # $FreeBSD$
 
 .PATH:  ${.CURDIR}/../../net
-KMOD=   if_sl
-SRCS=   if_sl.c slcompress.c opt_inet.h
+KMOD=	if_sl
+SRCS=	if_sl.c slcompress.c opt_inet.h opt_slip.h
 NOMAN=
 
 opt_inet.h:

sys/net/if_sl.c

@@ -66,9 +66,8 @@
  */
 
 #include "opt_inet.h"
-#if !defined(KLD_MODULE)
 #include "opt_slip.h"
-#endif
+
 #include <sys/param.h>
 #include <sys/systm.h>
 #include <sys/proc.h>