[gtk/settings-portal-for-3] wayland: Fix a thinko in settings portal support

[Matthias Clasen <matthiasc src gnome org>]

commit c31fb43b9f342eae9c982394142e94b6ca64e7a7
Author: Matthias Clasen <mclasen redhat com>
Date:   Mon Nov 5 18:32:40 2018 -0500

    wayland: Fix a thinko in settings portal support
    
    When we decide to fall back because the settings portal
    is not present, adhere to that decision elsewhere.

 gdk/wayland/gdkscreen-wayland.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/gdk/wayland/gdkscreen-wayland.c b/gdk/wayland/gdkscreen-wayland.c
index 19e4111308..16d3260041 100644
--- a/gdk/wayland/gdkscreen-wayland.c
+++ b/gdk/wayland/gdkscreen-wayland.c
@@ -346,7 +346,7 @@ update_xft_settings (GdkScreen *screen)
   GsdXftSettings xft_settings;
   double dpi;
 
-  if (gdk_should_use_portal ())
+  if (screen_wayland->settings_portal)
     {
       TranslationEntry *entry;
 
@@ -822,7 +822,7 @@ set_value_from_entry (GdkScreen        *screen,
   GdkWaylandScreen *screen_wayland = GDK_WAYLAND_SCREEN (screen);
   GSettings *settings;
 
-  if (gdk_should_use_portal ())
+  if (screen_wayland->settings_portal)
     {
       switch (entry->type)
         {
@@ -917,7 +917,7 @@ set_decoration_layout_from_entry (GdkScreen        *screen,
   GSettings *settings = NULL;
   const char *session;
 
-  if (gdk_should_use_portal ())
+  if (screen_wayland->settings_portal)
     {
       g_value_set_string (value, entry->fallback.s);
       return;