qt4/src/poppler-page.cc:497:36: error: invalid conversion from 'const PDFRectangle' to 'PDFRectangle'

Trying to build poppler 0.70.1 package with mock on Fedora 28 give me the following error:

BUILDSTDERR: /builddir/build/BUILD/poppler-0.70.1/qt4/src/poppler-page.cc:497:36: error: invalid conversion from 'const PDFRectangle*' to 'PDFRectangle*' [-fpermissive]
BUILDSTDERR:      rect = m_page->page->getCropBox();
BUILDSTDERR:             ~~~~~~~~~~~~~~~~~~~~~~~~^~

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