[eog] EogUtil: Fix leaked parent handle in Flatpak portal code

[Felix Riemann <friemann src gnome org>]

commit b1d630d37df4dcca5b02c4c4ba6b7d4560a3ea3c
Author: Felix Riemann <friemann gnome org>
Date:   Sat Jul 4 18:51:01 2020 +0200

    EogUtil: Fix leaked parent handle in Flatpak portal code

 src/eog-util.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
---
diff --git a/src/eog-util.c b/src/eog-util.c
index bd0c009a..02cc802c 100644
--- a/src/eog-util.c
+++ b/src/eog-util.c
@@ -544,5 +544,6 @@ eog_util_open_file_with_flatpak_portal (GFile *file, GtkWindow *window)
                             XDP_OPEN_URI_FLAG_ASK,
                             NULL,
                             open_with_flatpak_portal_cb,
-                            parent);
+                            NULL);
+       xdp_parent_free (parent);
 }