libs: dmabuf: init the GST_CAT_DEFAULT in class define
To avoid gst_debug_log_valist: assertion 'category != NULL' failed
if we do not call gst_dmabuf_allocator_new
Edited by Nicolas Dufresne
Due to an influx of spam, we have had to impose restrictions on new accounts. Please see this wiki page for instructions on how to get full permissions. Sorry for the inconvenience.
To avoid gst_debug_log_valist: assertion 'category != NULL' failed
if we do not call gst_dmabuf_allocator_new