D10716: handle wrong password when using sudo which asks for another password

[Fabian Vogt]

fvogt requested changes to this revision.
This revision now requires changes to proceed.

REPOSITORY
  R299 KDESu

REVISION DETAIL
  https://phabricator.kde.org/D10716

To: jriddell, sitter, fvogt
Cc: starbuck, fvogt, kde-frameworks-devel, michaelh, ngraham, bruns