ges: Small doc fixups

ges/ges-custom-timeline-source.h

@@ -79,7 +79,7 @@ struct _GESCustomTimelineSourceClass {
 GType ges_cust_timeline_src_get_type (void);
 
 GESCustomTimelineSource*
-ges_custom_timeline_source_new (FillTrackObjectUserFunc,
+ges_custom_timeline_source_new (FillTrackObjectUserFunc func,
 				gpointer user_data);
 
 G_END_DECLS

ges/ges-timeline-pipeline.c

@@ -383,6 +383,8 @@ ges_timeline_pipeline_set_render_settings (GESTimelinePipeline * pipeline,
  * Note: The @pipeline will be set to #GST_STATE_NULL during this call due to
  * the internal changes that happen. The caller will therefore have to 
  * set the @pipeline to the requested state after calling this method.
+ *
+ * Returns: %TRUE if the mode was properly set, else %FALSE.
  **/
 gboolean
 ges_timeline_pipeline_set_mode (GESTimelinePipeline * pipeline,

ges/ges-track-object.h

@@ -87,7 +87,7 @@ G_BEGIN_DECLS
  * @inpoint: in-point (in nanoseconds) of the object in the track.
  * @duration: Duration of the object
  * @priority: Priority of the object in the track (0:top priority)
- * @gnlobject: The GNonLin object this object is controlling.
+ * @active: Whether the object is to be used or not.
  *
  * The GESTrackObject base class. Only sub-classes can access these fields.
  */