In 6ae0e8d2c7 we added 2 arguments that
precede the diff sub-command (-c diff.color=false).
When display name is not set, ShellCommand uses the binary followed by the
first argument, so it now showed "Git -c" instead of "Git Diff".
Change-Id: Ie584837bd87fd529e0cd015025fc3bf1a69d085c
Reviewed-by: André Hartmann <aha_1980@gmx.de>
Reviewed-by: Xiaofeng Wang <wasphin@gmail.com>
Reviewed-by: Tobias Hunger <tobias.hunger@qt.io>