[evince] shell: Remove use of obsolete gnome_desktop_thumbnail_scale_down_pixbuf()

[Bastien Nocera <hadess src gnome org>]

commit ebd918b85e13ea7dbfc738de9d936f98be85477f
Author: Bastien Nocera <hadess hadess net>
Date:   Tue Jul 11 13:28:49 2017 +0200

    shell: Remove use of obsolete gnome_desktop_thumbnail_scale_down_pixbuf()
    
    It's obsolete since gdk-pixbuf 2.36.5.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=784789

 configure.ac           |    5 +++--
 shell/ev-recent-view.c |    7 ++++---
 2 files changed, 7 insertions(+), 5 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index e7ee360..b34fcbc 100644
--- a/configure.ac
+++ b/configure.ac
@@ -120,6 +120,7 @@ GLIB_REQUIRED=2.36.0
 LIBSECRET_REQUIRED=0.5
 GTK_REQUIRED=3.16.0
 NAUTILUS_REQUIRED=2.91.4
+GDK_PIXBUF_REQUIRED=2.36.5
 
 AC_SUBST([GLIB_REQUIRED])
 AC_SUBST([GTK_REQUIRED])
@@ -325,9 +326,9 @@ AC_ARG_ENABLE([libgnome-desktop],
 
 if test "$enable_gnome_desktop" != "no"; then
    if test "$enable_gnome_desktop" = "auto"; then
-      PKG_CHECK_MODULES([LIBGNOME_DESKTOP], [gnome-desktop-3.0], has_libgnome_desktop=yes, 
has_libgnome_desktop=no)
+      PKG_CHECK_MODULES([LIBGNOME_DESKTOP], [gnome-desktop-3.0 gdk-pixbuf-2.0 >= $GDK_PIXBUF_REQUIRED], 
has_libgnome_desktop=yes, has_libgnome_desktop=no)
    else
-      PKG_CHECK_MODULES([LIBGNOME_DESKTOP], [gnome-desktop-3.0])
+      PKG_CHECK_MODULES([LIBGNOME_DESKTOP], [gnome-desktop-3.0 gdk-pixbuf-2.0 >= $GDK_PIXBUF_REQUIRED])
       has_libgnome_desktop=yes
    fi
 
diff --git a/shell/ev-recent-view.c b/shell/ev-recent-view.c
index 57b1ac4..b194acc 100644
--- a/shell/ev-recent-view.c
+++ b/shell/ev-recent-view.c
@@ -551,9 +551,10 @@ get_thumbnail_from_cache_thread (GTask                    *task,
                 } else if (width != target_width || height != target_height) {
                         GdkPixbuf *scaled;
 
-                        scaled = gnome_desktop_thumbnail_scale_down_pixbuf (thumbnail,
-                                                                            target_width,
-                                                                            target_height);
+                        scaled = gdk_pixbuf_scale_simple (thumbnail,
+                                                          target_width,
+                                                          target_height,
+                                                          GDK_INTERP_HYPER);
                         g_object_unref (thumbnail);
                         thumbnail = scaled;
                 }