Original commit message from CVS:
* gst/gstbus.h:
* gst/gstclock.h:
* gst/gstevent.h:
* gst/gstiterator.h:
* gst/gstpad.h:
* gst/gstplugin.h:
* gst/gsttask.h:
Remove comma at end of enumerator list.