[gnome-photos] base-item: Simplify code

[Debarshi Ray <debarshir src gnome org>]

commit d77eaedd996e38154ec0455bf96b3161109a5824
Author: Debarshi Ray <debarshir gnome org>
Date:   Tue Dec 29 11:07:14 2015 +0100

    base-item: Simplify code

 src/photos-base-item.c |    8 ++------
 1 files changed, 2 insertions(+), 6 deletions(-)
---
diff --git a/src/photos-base-item.c b/src/photos-base-item.c
index a99d7e4..b5657e7 100644
--- a/src/photos-base-item.c
+++ b/src/photos-base-item.c
@@ -946,22 +946,18 @@ photos_base_item_process_idle (gpointer user_data)
 {
   GTask *task = G_TASK (user_data);
   PhotosBaseItem *self;
-  GCancellable *cancellable;
-  gboolean result = FALSE;
 
   self = PHOTOS_BASE_ITEM (g_task_get_source_object (task));
-  cancellable = g_task_get_cancellable (task);
 
-  if (g_cancellable_is_cancelled (cancellable))
+  if (g_task_return_error_if_cancelled (task))
     goto done;
 
   if (gegl_processor_work (self->priv->processor, NULL))
     return G_SOURCE_CONTINUE;
 
-  result = TRUE;
+  g_task_return_boolean (task, TRUE);
 
  done:
-  g_task_return_boolean (task, result);
   return G_SOURCE_REMOVE;
 }