Fix with poppler-26.06.0.

From https://gitlab.com/inkscape/inkscape/-/work_items/6210,
1.4.x-Poppler-26.06.0_rev0.patch

Index: src/extension/internal/pdfinput/pdf-utils.cpp
--- src/extension/internal/pdfinput/pdf-utils.cpp.orig
+++ src/extension/internal/pdfinput/pdf-utils.cpp
@@ -133,6 +133,11 @@ Geom::Rect getRect(_POPPLER_CONST PDFRectangle *box)
     return Geom::Rect(box->x1, box->y1, box->x2, box->y2);
 }
 
+Geom::Rect getRect(const PDFRectangle &box)
+{
+    return Geom::Rect(box.x1, box.y1, box.x2, box.y2);
+}
+
 Geom::PathVector getPathV(GfxPath *path) 
 {
     if (!path) {
