D21897: Address some issues reported by Krazy analysis

[Kai Uwe Broulik]

broulik added inline comments.

INLINE COMMENTS

> ktextedit.cpp:373
> +
> +    delete dialog;
>  }

You can do `dialog->setAttribute(Qt::WA_DeleteOnClose);` when creating the dialog instead of an explicit delete call

REPOSITORY
  R310 KTextWidgets

BRANCH
  krazy-50b2564 (branched from master)

REVISION DETAIL
  https://phabricator.kde.org/D21897

To: pajamapants3000, elvisangelaccio
Cc: broulik, vkrause, elvisangelaccio, kde-frameworks-devel, LeGast00n, GB_2, michaelh, ngraham, bruns
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