[file-roller] Fix saved window size growing out of control with GTK+ 3.20

[Michael Catanzaro <mcatanzaro src gnome org>]

commit cfdfeb566244d5b08a13b8c7e3033a020cd91237
Author: Michael Catanzaro <mcatanzaro gnome org>
Date:   Sun Mar 6 22:27:15 2016 -0600

    Fix saved window size growing out of control with GTK+ 3.20

 src/fr-window.c |    3 +--
 1 files changed, 1 insertions(+), 2 deletions(-)
---
diff --git a/src/fr-window.c b/src/fr-window.c
index 51270a9..e33f26e 100644
--- a/src/fr-window.c
+++ b/src/fr-window.c
@@ -574,8 +574,7 @@ fr_window_close (FrWindow *window)
        if (gtk_widget_get_realized (GTK_WIDGET (window))) {
                int width, height;
 
-               width = gtk_widget_get_allocated_width (GTK_WIDGET (window));
-               height = gtk_widget_get_allocated_height (GTK_WIDGET (window));
+               gtk_window_get_size (GTK_WINDOW (window), &width, &height);
                g_settings_set_int (window->priv->settings_ui, PREF_UI_WINDOW_WIDTH, width);
                g_settings_set_int (window->priv->settings_ui, PREF_UI_WINDOW_HEIGHT, height);