The plugin was built into the base directory of any build that included
its CMakeLists.txt. Subsequently it was required by any project built
against this version of Qt and linked against QtGui. Since it couldn't
be found in the usual places to look for plugins, all those builds
failed.
Amends commit 87896c03c1
Task-number: QTBUG-126393
Change-Id: I4c577c60459d5f6cb654714ce6e97f87c1f6f640
Reviewed-by: Volker Hilsheimer <volker.hilsheimer@qt.io>
Reviewed-by: Jøger Hansegård <joger.hansegard@qt.io>
(cherry picked from commit b01dd59d764cf5787b36075cc273a9a56be55a8e)
Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>
262c7853a3