D7015: fix double search dialog trigger caused by excess manual slot connection

[Rolf Eike Beer]

dakon accepted this revision.
This revision is now accepted and ready to land.

REPOSITORY
  R358 KGpg

BRANCH
  Applications/17.08

REVISION DETAIL
  https://phabricator.kde.org/D7015

To: sitter, dakon
Cc: kde-utils-devel
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