D28062: Fix compiler warnings

[Aleix Pol Gonzalez]

apol added inline comments.

INLINE COMMENTS

> zzag wrote in wayland_server.cpp:734
> Unrelated side note: I don't get why Qt folks deprecated toSet(). Range-based initialization looks very clunky if you ask me.

I don't get it either.

REPOSITORY
  R108 KWin

REVISION DETAIL
  https://phabricator.kde.org/D28062

To: apol, #kwin
Cc: zzag, kwin, Orage, cacarry, LeGast00n, The-Feren-OS-Dev, cblack, jraleigh, zachus, fbampaloukas, GB_2, mkulinski, ragreen, jackyalcine, iodelay, crozbo, bwowk, ZrenBot, ngraham, alexeymin, himcesjf, lesliezhai, ali-mohamed, hardening, romangg, jensreuterberg, abetts, sebas, apol, ahiemstra, mart
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