Google Code-in

Send a patch to KDE Frameworks [1] that fixes the warning proposed by Clazy [2] on the KCoreAddons framework [3].

I will accept patches that don't go through the warnings on the tests, because there's quite some of them that aren't very important.

[1] https://git.reviewboard.kde.org/dashboard/ [2] https://quickgit.kde.org/?p=clazy.git&a=blob&f=README [3] https://quickgit.kde.org/?p=kcoreaddons.git