[evince] pdf: Fixed wrong order of QuadPoints in get_quads_for_area.

[Carlos Garcia Campos <carlosgc src gnome org>]

commit 230bcca488ae472773cef4658661deb487d3d5fb
Author: Philipp Reinkemeier <philipp reinkemeier offis de>
Date:   Mon Jun 8 16:53:01 2015 +0200

    pdf: Fixed wrong order of QuadPoints in get_quads_for_area.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=750569

 backend/pdf/ev-poppler.cc |    8 ++++----
 1 files changed, 4 insertions(+), 4 deletions(-)
---
diff --git a/backend/pdf/ev-poppler.cc b/backend/pdf/ev-poppler.cc
index 1d25ed5..df662c8 100644
--- a/backend/pdf/ev-poppler.cc
+++ b/backend/pdf/ev-poppler.cc
@@ -3230,13 +3230,13 @@ get_quads_for_area (PopplerPage      *page,
                PopplerQuadrilateral *quad = &g_array_index (quads, PopplerQuadrilateral, i);
 
                quad->p1.x = r->x1;
-               quad->p1.y = height - r->y2;
+               quad->p1.y = height - r->y1;
                quad->p2.x = r->x2;
-               quad->p2.y = height - r->y2;
+               quad->p2.y = height - r->y1;
                quad->p3.x = r->x1;
-               quad->p3.y = height - r->y1;
+               quad->p3.y = height - r->y2;
                quad->p4.x = r->x2;
-               quad->p4.y = height - r->y1;
+               quad->p4.y = height - r->y2;
                poppler_rectangle_free (r);
 
                if (!bbox)