Merge topic 'CPackIFW-extra-dot'

331c5d458e CPackIFW: Fix regression in icon file names

Acked-by: Kitware Robot <kwrobot@kitware.com>
Acked-by: buildbot <buildbot@kitware.com>
Acked-by: Erlend E. Aasland <erlend.aasland@innova.no>
Merge-request: !7174