Fix build with poppler-25.09.1.

Index: sdext/source/pdfimport/xpdfwrapper/pdfioutdev_gpl.cxx
--- sdext/source/pdfimport/xpdfwrapper/pdfioutdev_gpl.cxx.orig
+++ sdext/source/pdfimport/xpdfwrapper/pdfioutdev_gpl.cxx
@@ -1249,11 +1249,11 @@ void PDFOutDev::setSkipImages( bool bSkipImages )
 
 #if POPPLER_CHECK_VERSION(21, 3, 0)
 poppler_bool PDFOutDev::tilingPatternFill(GfxState *state, Gfx *, Catalog *,
-                                          GfxTilingPattern *tPat, const double *mat,
+                                          GfxTilingPattern *tPat, const std::array<double, 6> &mat,
                                           int x0, int y0, int x1, int y1,
                                           double xStep, double yStep)
 {
-    const double *pBbox = tPat->getBBox();
+    const std::array<double, 4> &pBbox = tPat->getBBox();
     const int nPaintType = tPat->getPaintType();
     Dict *pResDict = tPat->getResDict();
     Object *aStr = tPat->getContentStream();
