https://bugs.gentoo.org/843311

From: Sam James <sam@gentoo.org>
Date: Sun, 8 May 2022 21:22:49 +0000
Subject: [PATCH] Add missing nSize set for Poppler 22.04.0

Thanks-to: Stephan Hartmann <sultan@gentoo.org>
--- a/sdext/source/pdfimport/xpdfwrapper/pdfioutdev_gpl.cxx
+++ b/sdext/source/pdfimport/xpdfwrapper/pdfioutdev_gpl.cxx
@@ -478,6 +478,10 @@ int PDFOutDev::parseFont( long long nNewId, GfxFont* gfxFont, const GfxState* st
         char* pBuf = gfxFont->readEmbFontFile( m_pDoc->getXRef(), &nSize );
 #else
         std::optional<std::vector<unsigned char>> pBuf = gfxFont->readEmbFontFile( m_pDoc->getXRef() );
+        if( pBuf )
+        {
+            nSize = pBuf->size();
+        }
 #endif
         if( pBuf )
         {
@@ -502,6 +506,10 @@ void PDFOutDev::writeFontFile( GfxFont* gfxFont ) const
         char* pBuf = gfxFont->readEmbFontFile( m_pDoc->getXRef(), &nSize );
 #else
         std::optional<std::vector<unsigned char>> pBuf = gfxFont->readEmbFontFile( m_pDoc->getXRef() );
+        if( pBuf )
+        {
+            nSize = pBuf->size();
+        }
 #endif
     if( !pBuf )
         return;