replace deprecated gdk_flush

Author: raveit65

src/caja-application.c

@@ -816,9 +816,9 @@ caja_application_create_desktop_windows (CajaApplication *application)
 
         /* We realize it immediately so that the CAJA_DESKTOP_WINDOW_ID
            property is set so mate-settings-daemon doesn't try to set the
-           background. And we do a gdk_flush() to be sure X gets it. */
+           background. And we do a gdk_display_flush() to be sure X gets it. */
         gtk_widget_realize (GTK_WIDGET (window));
-        gdk_flush ();
+        gdk_display_flush (display);
 
         caja_application_desktop_windows =
             g_list_prepend (caja_application_desktop_windows, window);

src/file-manager/fm-desktop-icon-view.c

@@ -321,6 +321,7 @@ fm_desktop_icon_view_handle_middle_click (CajaIconContainer *icon_container,
     XButtonEvent x_event;
     GdkDevice *keyboard = NULL, *pointer = NULL, *cur;
     GdkSeat *seat;
+    GdkDisplay *display;
 
     seat = gdk_display_get_default_seat (gtk_widget_get_display (GTK_WIDGET (icon_container)));
     pointer = gdk_seat_get_pointer (seat);
@@ -350,7 +351,8 @@ fm_desktop_icon_view_handle_middle_click (CajaIconContainer *icon_container,
     }
 
     /* Stop the event because we don't want anyone else dealing with it. */
-    gdk_flush ();
+    display = gtk_widget_get_display (GTK_WIDGET (icon_container));
+    gdk_display_flush (display);
     g_signal_stop_emission_by_name (icon_container, "middle_click");
 
     /* build an X event to represent the middle click. */