D7595: Skip reload when another reload is already in progress

[Albert Astals Cid]

aacid added a comment.


  Using a mutex when threads are not involved is wrong in my book, and that's why my branch uses a bool as customary

REPOSITORY
  R223 Okular

REVISION DETAIL
  https://phabricator.kde.org/D7595

To: rkflx, #okular
Cc: aacid
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