D9118: ki18n cmake macros: Mark UIC-generated .h files to skip AUTOMOC by default

[David Faure]

dfaure added a reviewer: kfunk.

REPOSITORY
  R249 KI18n

REVISION DETAIL
  https://phabricator.kde.org/D9118

To: mpyne, #frameworks, #build_system, #localization, kfunk
Cc: aacid