[gnome-software/gnome-3-22] trivial: Fix another memory leak in the flatpak plugin

[Kalev Lember <klember src gnome org>]

commit c9bb8939db350389ddf05acdc43c0e1d867f72be
Author: Richard Hughes <richard hughsie com>
Date:   Fri Feb 17 11:27:45 2017 +0000

    trivial: Fix another memory leak in the flatpak plugin

 src/plugins/gs-flatpak.c |   11 ++++++-----
 1 files changed, 6 insertions(+), 5 deletions(-)
---
diff --git a/src/plugins/gs-flatpak.c b/src/plugins/gs-flatpak.c
index 6e78562..fb19013 100644
--- a/src/plugins/gs-flatpak.c
+++ b/src/plugins/gs-flatpak.c
@@ -1406,19 +1406,20 @@ gs_plugin_refine_item_state (GsFlatpak *self,
         * available system-wide then mark it installed, and vice-versa */
        if (gs_app_get_flatpak_kind (app) == FLATPAK_REF_KIND_RUNTIME &&
            gs_app_get_state (app) == AS_APP_STATE_UNKNOWN) {
+               g_autoptr(GPtrArray) xrefs2 = NULL;
                g_autoptr(FlatpakInstallation) installation =
                        gs_flatpak_get_installation_counterpart (self,
                                                                 cancellable,
                                                                 error);
                if (installation == NULL)
                        return FALSE;
-               xrefs = flatpak_installation_list_installed_refs (installation,
-                                                                 cancellable, error);
-               if (xrefs == NULL) {
+               xrefs2 = flatpak_installation_list_installed_refs (installation,
+                                                                  cancellable, error);
+               if (xrefs2 == NULL) {
                        return FALSE;
                }
-               for (i = 0; i < xrefs->len; i++) {
-                       FlatpakInstalledRef *xref = g_ptr_array_index (xrefs, i);
+               for (i = 0; i < xrefs2->len; i++) {
+                       FlatpakInstalledRef *xref = g_ptr_array_index (xrefs2, i);
                        if (!gs_flatpak_app_matches_xref (self, app, FLATPAK_REF(xref)))
                                continue;
                        gs_app_set_state (app, AS_APP_STATE_INSTALLED);