message: add check in coro_create
diff: @@ -187,6 +187,13 @@ static void sw_coro_func(void *arg)
  int sw_coro_create(zend_fcall_info_cache *fci_cache, zval **argv, int argc, zval *retval, void *post_callback,
  void *params)
  {
  + if (zend_get_module_started("xdebug") == SUCCESS)
  + {
  + swoole_php_fatal_error(E_ERROR,
  + "can not use xdebug in swoole coroutine, please remove xdebug in php.ini and retry.");
  + return 0;
  + }
  +
  if (unlikely(COROG.coro_num >= COROG.max_coro_num) )
  {
  COROG.error = 1;
  