Original commit message from CVS:
Fix GstBufferFlag so it's really an enum typedef, not a declaration.
#define GST_BUFFER_BUFFERPOOL(buf) (GST_BUFFER(buf)->pool)
#define GST_BUFFER_POOL_PRIVATE(buf) (GST_BUFFER(buf)->pool_private)
#define GST_BUFFER_BUFFERPOOL(buf) (GST_BUFFER(buf)->pool)
#define GST_BUFFER_POOL_PRIVATE(buf) (GST_BUFFER(buf)->pool_private)
GST_BUFFER_READONLY = GST_DATA_FLAG_LAST,
GST_BUFFER_SUBBUFFER,
GST_BUFFER_ORIGINAL,
GST_BUFFER_READONLY = GST_DATA_FLAG_LAST,
GST_BUFFER_SUBBUFFER,
GST_BUFFER_ORIGINAL,