[gnome-applets/wip/muktupavels/werror] tracker-search-bar: fix -Wcast-function-type warning

[Alberts Muktupāvels <muktupavels src gnome org>]

commit dd4c4edae9235b552b613cddaab0ea516e58833e
Author: Alberts Muktupāvels <alberts muktupavels gmail com>
Date:   Sat Apr 4 22:27:21 2020 +0300

    tracker-search-bar: fix -Wcast-function-type warning

 gnome-applets/tracker-search-bar/tracker-results-window.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)
---
diff --git a/gnome-applets/tracker-search-bar/tracker-results-window.c 
b/gnome-applets/tracker-search-bar/tracker-results-window.c
index aeddc82f3..98d9443ed 100644
--- a/gnome-applets/tracker-search-bar/tracker-results-window.c
+++ b/gnome-applets/tracker-search-bar/tracker-results-window.c
@@ -696,9 +696,7 @@ search_query_free (SearchQuery *sq)
                g_object_unref (sq->cancellable);
        }
 
-       g_slist_foreach (sq->results, (GFunc) item_data_free, NULL);
-       g_slist_free (sq->results);
-
+       g_slist_free_full (sq->results, (GDestroyNotify) item_data_free);
        g_slice_free (SearchQuery, sq);
 }