D10298: Fix searching in RTL PDFs

[Nathaniel Graham]

ngraham created this revision.
ngraham added a reviewer: Okular.
Restricted Application added a project: Okular.
ngraham requested review of this revision.

REVISION SUMMARY
  BUG: 207748
  
  Migrated this patch from https://git.reviewboard.kde.org/r/125442/ since it had whitespace errors and the submitter disappeared.

TEST PLAN
  - Okular compiles and all tests pass (except for parttest, which was already failing in master)
  - Don't have any RTL PDFs or the ability to read or write in any RTL languages, so unable to test the functionality. But on the reviewboard page, folks said it worked, and the diff is the same.

REPOSITORY
  R223 Okular

BRANCH
  master

REVISION DETAIL
  https://phabricator.kde.org/D10298

AFFECTED FILES
  ui/searchlineedit.cpp

To: ngraham, #okular
Cc: michaelweghorn, ngraham, aacid
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