[nautilus] file-operations: set_permissions_recursive: use automatic cleanup

[Ernestas Kulik <ernestask src gnome org>]

commit 7b7f0a1b637f6e92b48672db452f72fed8154ce9
Author: Ernestas Kulik <ernestask gnome org>
Date:   Mon May 15 11:25:53 2017 +0300

    file-operations: set_permissions_recursive: use automatic cleanup
    
    https://bugzilla.gnome.org/show_bug.cgi?id=782650

 src/nautilus-file-operations.c |    3 +--
 1 files changed, 1 insertions(+), 2 deletions(-)
---
diff --git a/src/nautilus-file-operations.c b/src/nautilus-file-operations.c
index baee856..bc2996c 100644
--- a/src/nautilus-file-operations.c
+++ b/src/nautilus-file-operations.c
@@ -7120,7 +7120,7 @@ nautilus_file_set_permissions_recursive (const char         *directory,
                                          NautilusOpCallback  callback,
                                          gpointer            callback_data)
 {
-    GTask *task;
+    g_autoptr (GTask) task = NULL;
     SetPermissionsJob *job;
 
     job = op_job_new (SetPermissionsJob, NULL);
@@ -7143,7 +7143,6 @@ nautilus_file_set_permissions_recursive (const char         *directory,
     task = g_task_new (NULL, NULL, set_permissions_task_done, job);
     g_task_set_task_data (task, job, NULL);
     g_task_run_in_thread (task, set_permissions_thread_func);
-    g_object_unref (task);
 }
 
 static GList *