[gnome-software/gnome-3-34] gs-details-page: Fix a minor leak in a comparison function

[Richard Hughes <rhughes src gnome org>]

commit deb79ab801ef9d7c233c047ac3de571bb4b88eef
Author: Philip Withnall <withnall endlessm com>
Date:   Tue Nov 12 21:18:09 2019 +0000

    gs-details-page: Fix a minor leak in a comparison function
    
    Signed-off-by: Philip Withnall <withnall endlessm com>

 src/gs-details-page.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)
---
diff --git a/src/gs-details-page.c b/src/gs-details-page.c
index 62c28bca..26c6578e 100644
--- a/src/gs-details-page.c
+++ b/src/gs-details-page.c
@@ -2012,9 +2012,10 @@ origin_popover_list_sort_func (GtkListBoxRow *a,
 {
        GsApp *a1 = gs_origin_popover_row_get_app (GS_ORIGIN_POPOVER_ROW (a));
        GsApp *a2 = gs_origin_popover_row_get_app (GS_ORIGIN_POPOVER_ROW (b));
+       g_autofree gchar *a1_origin = gs_app_get_origin_ui (a1);
+       g_autofree gchar *a2_origin = gs_app_get_origin_ui (a2);
 
-       return g_strcmp0 (gs_app_get_origin_ui (a1),
-                         gs_app_get_origin_ui (a2));
+       return g_strcmp0 (a1_origin, a2_origin);
 }
 
 static void