API dox: add note about moc include need with K_PLUGIN_FACTORY(_WITH_JSON)

Authored by kossebau on Jul 19 2017, 9:00 PM.

Description

API dox: add note about moc include need with K_PLUGIN_FACTORY(_WITH_JSON)

Reviewers: Frameworks, mpyne

Reviewed By: mpyne

Tags: Frameworks

Differential Revision: https://phabricator.kde.org/D6789

Details