Applications which use pflog(4) need to include <net/if_pflog.h>,
but it's not installed.  I'll commit it, if the following patch is
not wrong.

Index: sys/net/Makefile
===================================================================
RCS file: /cvsroot/src/sys/net/Makefile,v
retrieving revision 1.20
diff -u -r1.20 Makefile
--- sys/net/Makefile	23 Nov 2006 04:07:07 -0000	1.20
+++ sys/net/Makefile	8 Jan 2007 06:23:00 -0000
@@ -5,7 +5,7 @@
 INCS=	bpf.h bpfdesc.h dlt.h ethertypes.h if.h if_arc.h if_arp.h \
 	if_atm.h if_bridgevar.h if_dl.h if_ether.h if_etherip.h if_fddi.h if_gif.h \
 	if_gre.h if_hippi.h if_ieee1394.h if_llc.h if_media.h \
-	if_ppp.h if_pppoe.h if_sppp.h if_stf.h \
+	if_pflog.h if_ppp.h if_pppoe.h if_sppp.h if_stf.h \
 	if_tap.h if_token.h if_tun.h if_types.h if_vlanvar.h \
 	netisr.h pfil.h pfkeyv2.h pfvar.h ppp-comp.h ppp_defs.h radix.h \
 	raw_cb.h route.h slcompress.h slip.h zlib.h
Index: distrib/sets/lists/comp/mi
===================================================================
RCS file: /cvsroot/src/distrib/sets/lists/comp/mi,v
retrieving revision 1.987
diff -u -r1.987 mi
--- distrib/sets/lists/comp/mi	27 Dec 2006 12:12:11 -0000	1.987
+++ distrib/sets/lists/comp/mi	8 Jan 2007 06:23:12 -0000
@@ -1294,6 +1294,7 @@
 ./usr/include/net/if_ieee80211.h		comp-obsolete		obsolete
 ./usr/include/net/if_llc.h			comp-c-include
 ./usr/include/net/if_media.h			comp-c-include
+./usr/include/net/if_pflog.h			comp-c-include
 ./usr/include/net/if_ppp.h			comp-c-include
 ./usr/include/net/if_pppoe.h			comp-c-include
 ./usr/include/net/if_pppvar.h			comp-c-include		obsolete
---
Tetsuya Isaki <isaki@par.odn.ne.jp / isaki@NetBSD.org>