[gtk+] gtk/gtkfilechoosernativeportal.c: Don't use g_autoptr()

[Chun-wei Fan <fanchunwei src gnome org>]

commit d8815f3e4ee090cf22156a96873909db10d384f4
Author: Chun-wei Fan <fanchunwei src gnome org>
Date:   Mon Jul 11 17:50:13 2016 +0800

    gtk/gtkfilechoosernativeportal.c: Don't use g_autoptr()
    
    This code is also built by non-GCC/CLang compilers, so use the normal
    ref/unref steps for the GVariant.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=768659

 gtk/gtkfilechoosernativeportal.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/gtk/gtkfilechoosernativeportal.c b/gtk/gtkfilechoosernativeportal.c
index 8838617..05dedaa 100644
--- a/gtk/gtkfilechoosernativeportal.c
+++ b/gtk/gtkfilechoosernativeportal.c
@@ -100,7 +100,7 @@ response_cb (GDBusConnection  *connection,
   const char **uris;
   int i;
   GVariant *response_data;
-  g_autoptr (GVariant) choices = NULL;
+  GVariant *choices = NULL;
 
   g_variant_get (parameters, "(u@a{sv})", &portal_response, &response_data);
   g_variant_lookup (response_data, "uris", "^a&s", &uris);
@@ -115,6 +115,7 @@ response_cb (GDBusConnection  *connection,
         gtk_file_chooser_set_choice (GTK_FILE_CHOOSER (self), id, selected);
       }
 
+  g_variant_unref (choices);
   g_slist_free_full (self->custom_files, g_object_unref);
   self->custom_files = NULL;
   for (i = 0; uris[i]; i++)