Release memory for the list of supported playlist formats.
#include <mm/mmplaylist.h>
int mmplaylist_supported_fmts_release( mmplaylist_fmt_list_t *extn_list )
Release memory for the list of playlist formats supported by the library. This memory was allocated in an earlier mmplaylist_supported_fmts_get() call.
0 if the memory was freed properly
-1 on error (use mmplaylist_last_error_get() to get error information)