[gthumb] search: fixed run-time warnings when an error occurs

[Paolo Bacchilega <paobac src gnome org>]

commit bd344ffe9bcd9778f6de14a20e4491506898c8eb
Author: Paolo Bacchilega <paobac src gnome org>
Date:   Fri Dec 6 12:47:44 2019 +0100

    search: fixed run-time warnings when an error occurs

 extensions/search/gth-search-task.c | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)
---
diff --git a/extensions/search/gth-search-task.c b/extensions/search/gth-search-task.c
index 781c65aa..c01cbd83 100644
--- a/extensions/search/gth-search-task.c
+++ b/extensions/search/gth-search-task.c
@@ -65,10 +65,10 @@ gth_search_task_finalize (GObject *object)
 
        task = GTH_SEARCH_TASK (object);
 
-       g_object_unref (task->priv->file_source);
-       g_object_unref (task->priv->search);
-       g_object_unref (task->priv->test);
-       g_object_unref (task->priv->search_catalog);
+       _g_object_unref (task->priv->file_source);
+       _g_object_unref (task->priv->search);
+       _g_object_unref (task->priv->test);
+       _g_object_unref (task->priv->search_catalog);
        if (task->priv->browser != NULL)
                g_object_weak_unref (G_OBJECT (task->priv->browser), browser_unref_cb, task);
 
@@ -322,10 +322,14 @@ browser_location_ready_cb (GthBrowser    *browser,
        GtkWidget   *button;
        InfoBarData *dialog_data;
 
+       if (! _g_file_equal (folder, task->priv->search_catalog))
+               return;
+
        g_signal_handler_disconnect (task->priv->browser, task->priv->location_ready_id);
 
        if (error) {
-               gtk_widget_hide (task->priv->dialog);
+               if (task->priv->dialog != NULL)
+                       gtk_widget_hide (task->priv->dialog);
                gth_task_completed (GTH_TASK (task), NULL);
                return;
        }