Move pf.os to sbin/pfctl/

Approved by:	will (mentor)
Glanced at by:	kp
Sponsored by:	Essen Hackathon
Differential Revision:	https://reviews.freebsd.org/D16557

etc/Makefile

@@ -93,10 +93,6 @@ SSH=	${SRCTOP}/crypto/openssh/ssh_config \
 SSL=	${SRCTOP}/crypto/openssl/apps/openssl.cnf
 .endif
 
-.if ${MK_PF} != "no"
-BIN1+= pf.os
-.endif
-
 .if ${MK_SENDMAIL} != "no"
 BIN1+=	rc.sendmail
 .endif

sbin/pfctl/Makefile

@@ -6,6 +6,7 @@
 .PATH: ${SRCTOP}/sys/netpfil/pf
 
 PACKAGE=pf
+CONFS=	pf.os
 PROG=	pfctl
 MAN=	pfctl.8