Enable pledge(2) on pflogd(8)'s priv proc

[Ricardo Mestre]

Hi,

pledge(2) bpf has been in use for some time now on tcpdump(8), this will enable
it also for pflogd(8)'s priv proc.

OK?

Index: privsep.c
===================================================================
RCS file: /cvs/src/sbin/pflogd/privsep.c,v
retrieving revision 1.24
diff -u -p -u -r1.24 privsep.c
--- privsep.c   23 Jan 2017 04:25:05 -0000      1.24
+++ privsep.c   24 May 2017 07:30:38 -0000
@@ -118,12 +118,9 @@ priv_init(void)
        setproctitle("[priv]");
        close(socks[1]);
 
-
-#if notyet
-       /* This needs to do bpf ioctl */
        if (pledge("stdio rpath wpath cpath sendfd proc bpf", NULL) == -1)
                err(1, "pledge");
-#endif
+
        while (!gotsig_chld) {
                if (may_read(socks[0], &cmd, sizeof(int)))
                        break;