clear before calling callback

src/switch_ivr_async.c

@@ -476,7 +476,6 @@ SWITCH_DECLARE(switch_status_t) switch_ivr_dmachine_ping(switch_ivr_dmachine_t *
 	switch_bool_t is_timeout = switch_ivr_dmachine_check_timeout(dmachine);
 	dm_match_t is_match = switch_ivr_dmachine_check_match(dmachine, is_timeout);
 	switch_status_t r, s;
-	int clear = 0;
 
 	if (is_match == DM_MATCH_NEVER) {
 		is_timeout++;
@@ -504,6 +503,7 @@ SWITCH_DECLARE(switch_status_t) switch_ivr_dmachine_ping(switch_ivr_dmachine_t *
 		dmachine->is_match = 1;
 
 		dmachine->match.type = DM_MATCH_POSITIVE;
+		switch_ivr_dmachine_clear(dmachine);
 		
 		if (dmachine->last_matching_binding->callback) {
 			s = dmachine->last_matching_binding->callback(&dmachine->match);
@@ -537,7 +537,6 @@ SWITCH_DECLARE(switch_status_t) switch_ivr_dmachine_ping(switch_ivr_dmachine_t *
 
 		}
 
-		clear++;
 	} else if (is_timeout) {
 		r = SWITCH_STATUS_TIMEOUT;
 	} else if (is_match == DM_MATCH_NONE && dmachine->cur_digit_len == dmachine->max_digit_len) {
@@ -547,6 +546,7 @@ SWITCH_DECLARE(switch_status_t) switch_ivr_dmachine_ping(switch_ivr_dmachine_t *
 	}
 	
 	if (r != SWITCH_STATUS_FOUND && r != SWITCH_STATUS_SUCCESS && r != SWITCH_STATUS_BREAK) {
+		switch_ivr_dmachine_clear(dmachine);
 		switch_set_string(dmachine->last_failed_digits, dmachine->digits);
 		dmachine->match.match_digits = dmachine->last_failed_digits;
 		
@@ -569,13 +569,8 @@ SWITCH_DECLARE(switch_status_t) switch_ivr_dmachine_ping(switch_ivr_dmachine_t *
 
 		}
 		
-		clear++;
 	}
-	
-	if (clear) {
-		switch_ivr_dmachine_clear(dmachine);
-	}
-
+		
 	dmachine->last_return = r;
 
 	switch_mutex_unlock(dmachine->mutex);