Fix FreeBSDism (#113).

git-svn-id: http://www.varnish-cache.org/svn/trunk/varnish-cache@1509 d4fa192b-c00b-0410-8231-f00ffab90ce4

lib/libvarnish/vpf.c

@@ -50,7 +50,7 @@
 struct pidfh {
 	int	pf_fd;
 	char	pf_path[MAXPATHLEN + 1];
-	__dev_t	pf_dev;
+	dev_t	pf_dev;
 	ino_t	pf_ino;
 };