D11643: Fix crash when device emits ready read after job is finished

[Albert Astals Cid]

aacid added a comment.


  Should fix T8280 <https://phabricator.kde.org/T8280>

REPOSITORY
  R241 KIO

REVISION DETAIL
  https://phabricator.kde.org/D11643

To: aacid, #frameworks, dfaure
Cc: michaelh, ngraham