D28981: fix clang warning

[Smit Patil]

smitpatil created this revision.
smitpatil added a project: KWin.
Herald added a subscriber: kwin.
smitpatil requested review of this revision.

REVISION SUMMARY
  fixed clang warning while compiling Kwin

REPOSITORY
  R108 KWin

REVISION DETAIL
  https://phabricator.kde.org/D28981

AFFECTED FILES
  main_wayland.cpp

To: smitpatil
Cc: kwin, smitpatil, Orage, cacarry, LeGast00n, The-Feren-OS-Dev, cblack, jraleigh, zachus, fbampaloukas, 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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