Make llrec_add a static function
Make llrec_add a static function

This function is only referenced in os_perf.c, so make it static

Signed-off-by: Colin Ian King <d100aa70785e45ee8deab668147d941941915c21@canonical.com>

ColinIanKing/numatop,intel/numatop,01org/numatop,intel/numatop,ColinIanKing/numatop,01org/numatop,ColinIanKing/numatop