This allows for canceling a key reassignment. We cannot use a static key
here since every key could potentially be used in a binding. Instead,
just cancel if we are trying to reassign a key that has already been
used for that action before.
Signed-off-by: Michael Smith <crazedpsyc@mail4us.net>
Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
