D24696: don't crash on nullptr pdfOptionsPage

[Harald Sitter]

This revision was automatically updated to reflect the committed changes.
Closed by commit R223:568f11b0678e: don't crash on nullptr pdfOptionsPage (authored by sitter).

REPOSITORY
  R223 Okular

CHANGES SINCE LAST UPDATE
  https://phabricator.kde.org/D24696?vs=68044&id=68412

REVISION DETAIL
  https://phabricator.kde.org/D24696

AFFECTED FILES
  generators/poppler/generator_pdf.cpp

To: sitter, aacid
Cc: okular-devel, johnzh, andisa, siddharthmanthan, maguirre, fbampaloukas, joaonetto, kezik, tfella, ngraham, darcyshen, aacid
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