fix logic in openpty case

src/mod/applications/mod_spandsp/mod_spandsp_modem.c

@@ -230,15 +230,13 @@ switch_status_t modem_init(modem_t *modem, modem_control_handler_t control_handl
 
 #if USE_OPENPTY
 	if (openpty(&modem->master, &modem->slave, NULL, NULL, NULL)) {
-
-		if (modem->master < 0) {
         switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Fatal error: failed to initialize pty\n");
         status = SWITCH_STATUS_FALSE;
         goto end;	
     } 
 
     modem->stty = ttyname(modem->slave);
-	}
+	
 #else
 #ifdef WIN32
 	modem->slot = 4+globals.NEXT_ID++; /* need work here we start at COM4 for now*/