Implicit capture of *this by [=] is deprecated in C++20, and the
replacement [=,this] is not available in C++17. We also can't use [&],
because of QueuedConnection, so need to bite the bullet and list all
captured variables separately.
Amends 87535e4e43.
Change-Id: I5b3a713bf9220746d10d594d1a248028157ad170
Reviewed-by: Mårten Nordheim <marten.nordheim@qt.io>
Reviewed-by: Fabian Kosmale <fabian.kosmale@qt.io>
Reviewed-by: Giuseppe D'Angelo <giuseppe.dangelo@kdab.com>
106c2fd19d