D28018: kcmkwin/scripts: fix a warning

[Méven Car]

meven retitled this revision from "KCM/kwinscripts: fix a warning" to "kcmkwin/scripts: fix a warning".

REPOSITORY
  R108 KWin

BRANCH
  arcpatch-D28018

REVISION DETAIL
  https://phabricator.kde.org/D28018

To: meven, #kwin, ervin, bport, cross, hchain, zzag
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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