D20444: remove clang warnings: else after return

[Tomaz Canabrava]

tcanabrava added reviewers: Konsole, hindenburg.

REPOSITORY
  R319 Konsole

REVISION DETAIL
  https://phabricator.kde.org/D20444

To: tcanabrava, #konsole, hindenburg
Cc: konsole-devel, gennad, thsurrel, ngraham, maximilianocuria, hindenburg
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