When an error is returned, the client crashes as EndModal is called twice. This fixes that and simply returns instead.  At least GTK won't complain.
When an error is returned, the client crashes as EndModal is called twice.
This fixes that and simply returns instead.  At least GTK won't complain.

wastholm/bitcoin,wastholm/bitcoin,wastholm/bitcoin,wastholm/bitcoin,wastholm/bitcoin,wastholm/bitcoin