etm_audio.c: fix off-by-one error in auw of FIR coefficients This fix was already made in FC Tourmaline a while back, but it is also the kind of bugfix that deserves to be backported to Magnetite and Selenite as well.

#define E_CALC_INIT 1
#define E_CALC_UPDATE 2
#define E_CALC_DEINIT 3

/* Function prototypes */

T_MFW_HND	AUI_calc_Start(T_MFW_HND parent, T_AUI_EDITOR_DATA *editor_data);
void		AUI_calc_Destroy(T_MFW_HND win);