sndiod(1) does not 'reload', so set rc_reload to NO.

ok ratchov@

src/etc/rc.d/sndiod

@@ -1,9 +1,11 @@
 #!/bin/sh
 #
-# $OpenBSD: sndiod,v 1.1 2011/12/09 14:52:27 ratchov Exp $
+# $OpenBSD: sndiod,v 1.2 2011/12/28 14:58:16 ajacoutot Exp $
 
 daemon="/usr/bin/sndiod"
 
 . /etc/rc.d/rc.subr
 
+rc_reload=NO
+
 rc_cmd $1