(socket_set_tos): if setsockopt failed with EINVAL failed, just ignore

it, sock was probably a just a non AF_INET socket


git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@12015 ec53bebd-3082-4978-b11e-865c3cabbd6b

lib/roken/socket.c

@@ -270,6 +270,7 @@ socket_set_tos (int sock, int tos)
 {
 #if defined(IP_TOS) && defined(HAVE_SETSOCKOPT)
     if (setsockopt (sock, IPPROTO_IP, IP_TOS, (void *) &tos, sizeof (int)) < 0)
+	if (errno != EINVAL)
 	    warn ("setsockopt TOS (ignored)");
 #endif
 }