Fixed issue #2053: Can't do "Combine to one commit"; changed file list wrongly empty

Signed-off-by: Sven Strickroth <email@cs-ware.de>
Drop unused code

Signed-off-by: Sven Strickroth <email@cs-ware.de>
Fixed c&p error

Signed-off-by: Sven Strickroth <email@cs-ware.de>