PF_UNIX is not a valid protocol for socketpair

OpenBSD accept it, but FreeBSD disallows it.  PF_UNSPEC (or 0) should
be used instead.  The FastCGI bit in the regress suite still doesn't
work on FreeBSD, but at least now it starts.

1 files changed, 1 insertions, 1 deletions

diff --git a/ex.c b/ex.c
index cad8d9a..102d5a2 100644
--- a/ex.c
+++ b/ex.c
@@ -319,7 +319,7 @@ fcgi_open_prog(struct fcgi *f)
 
 	/* XXX! */
 
-	if (socketpair(AF_UNIX, SOCK_STREAM, PF_UNIX, s) == -1)
+	if (socketpair(AF_UNIX, SOCK_STREAM, PF_UNSPEC, s) == -1)
 		err(1, "socketpair");
 
 	switch (p = fork()) {