[gtk] gtkbookmarksmanager: Use GTK+ 3.0's bookmarks file

[Bastien Nocera <hadess src gnome org>]

commit cc951ac6c88915585a5451da8260c27920e8cd06
Author: Bastien Nocera <hadess hadess net>
Date:   Thu Feb 15 13:29:38 2018 +0100

    gtkbookmarksmanager: Use GTK+ 3.0's bookmarks file
    
    There's no reason to use a separate file until the format of the file
    changes though, as this just means that GTK+ 3.x and GTK+ 4.x
    applications would end up showing different bookmarks in the file
    chooser.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=793425

 gtk/gtkbookmarksmanager.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)
---
diff --git a/gtk/gtkbookmarksmanager.c b/gtk/gtkbookmarksmanager.c
index f97d5afe98..31f83fd4dc 100644
--- a/gtk/gtkbookmarksmanager.c
+++ b/gtk/gtkbookmarksmanager.c
@@ -73,7 +73,11 @@ get_bookmarks_file (void)
   GFile *file;
   gchar *filename;
 
-  filename = g_build_filename (g_get_user_config_dir (), "gtk-4.0", "bookmarks", NULL);
+  /* Use gtk-3.0's bookmarks file as the format didn't change.
+   * Add the 3.0 file format to get_legacy_bookmarks_file() when
+   * the format does change.
+   */
+  filename = g_build_filename (g_get_user_config_dir (), "gtk-3.0", "bookmarks", NULL);
   file = g_file_new_for_path (filename);
   g_free (filename);