[gthumb/gthumb-3-4] ensure the settings have been saved before exiting

[Paolo Bacchilega <paobac src gnome org>]

commit a9e78aa5f4aa45330825a32842f8e04d284836ba
Author: Paolo Bacchilega <paobac src gnome org>
Date:   Sun Feb 19 15:58:14 2017 +0100

    ensure the settings have been saved before exiting

 gthumb/gth-browser.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/gthumb/gth-browser.c b/gthumb/gth-browser.c
index 68ba822..63a1922 100644
--- a/gthumb/gth-browser.c
+++ b/gthumb/gth-browser.c
@@ -2082,6 +2082,8 @@ _gth_browser_close_final_step (gpointer user_data)
                gtk_widget_destroy (browser->priv->progress_dialog);
        }
 
+       g_settings_sync ();
+
        gtk_widget_destroy (GTK_WIDGET (browser));
 }