fix type in dmachine parser

src/switch_ivr_async.c

@@ -302,7 +302,7 @@ static dm_match_t switch_ivr_dmachine_check_match(switch_ivr_dmachine_t *dmachin
 
 	if (is_timeout) {
 		if (both_bp) {
-			r_bp = both_bp;
+			r_bp = exact_bp ? exact_bp : both_bp;
 		} else if (partial_bp) {
 			r_bp = partial_bp;
 		}