Fix regression for Legacy Pairing
Fix regression for Legacy Pairing

When a pincode was entered and no DBus error ocurred, bluetoothd
still responded with Pin Code Request Negative Reply.

The regression was introduced by commit
e7daece858070d71cecf6ade4f0e3c93272c53ac

silent-snowman/bluez,ComputeCycles/bluez,silent-snowman/bluez,ComputeCycles/bluez,silent-snowman/bluez,pkarasev3/bluez,pstglia/external-bluetooth-bluez,pstglia/external-bluetooth-bluez,pkarasev3/bluez,pstglia/external-bluetooth-bluez,pstglia/external-bluetooth-bluez,mapfau/bluez,mapfau/bluez,ComputeCycles/bluez,mapfau/bluez,silent-snowman/bluez,ComputeCycles/bluez,pkarasev3/bluez,pkarasev3/bluez,mapfau/bluez