Fix behaviour if gatewayip is not set
Patch by Robin Gilks, 23 Dec 2004
diff --git a/net/net.c b/net/net.c
index 37c5fb6..5062037 100644
--- a/net/net.c
+++ b/net/net.c
@@ -222,8 +222,10 @@
 	    (NetOurIP & NetOurSubnetMask)) {
 		if (NetOurGatewayIP == 0) {
 			puts ("## Warning: gatewayip needed but not set\n");
+			NetArpWaitReplyIP = NetArpWaitPacketIP;
+		} else {
+			NetArpWaitReplyIP = NetOurGatewayIP;
 		}
-		NetArpWaitReplyIP = NetOurGatewayIP;
 	} else {
 		NetArpWaitReplyIP = NetArpWaitPacketIP;
 	}