aggregator: Document how the segment is protected

Document that it can only be accessed with the object lock.

https://bugzilla.gnome.org/show_bug.cgi?id=742684

diff --git a/libs/gst/base/gstaggregator.h b/libs/gst/base/gstaggregator.h
index 636e84e362e03e9fbebbf163aca0f8c05bcb7e77..2242d2888ecaa0fc481a9820858f311cd24a3569 100644 (file)
--- a/libs/gst/base/gstaggregator.h
+++ b/libs/gst/base/gstaggregator.h
@@ -135,6 +135,7 @@ struct _GstAggregator
 
   GstPad                *  srcpad;
 
+  /* Only access with the object lock held */
   GstSegment               segment;
 
   /*< private >*/