message: fix compile error for 7.0.x and warning free
diff: @@ -262,8 +262,13 @@ static void swoole_corountine_call_function(zend_fcall_info *fci, zend_fcall_inf
  zend_execute_data *call, *current_ex = EG(current_execute_data);
  zend_function *func = fci_cache->function_handler;
  zend_object *object = (func->common.fn_flags & ZEND_ACC_STATIC) ? NULL : fci_cache->object;
  +#if ZEND_MODULE_API_NO < 20160303
  + call = zend_vm_stack_push_call_frame(ZEND_CALL_TOP_FUNCTION, func,
  + fci->param_count, fci_cache->called_scope, object);
  +#else
  call = zend_vm_stack_push_call_frame(ZEND_CALL_TOP_FUNCTION | ZEND_CALL_DYNAMIC, func,
  fci->param_count, fci_cache->called_scope, object);
  +#endif
  for (i = 0; i < fci->param_count; ++i)
  {
  @@ -286,7 +291,11 @@ static void swoole_corountine_call_function(zend_fcall_info *fci, zend_fcall_inf
  else
  {
  call->prev_execute_data = current_ex->prev_execute_data;
  - ZEND_SET_CALL_INFO(call, object, ZEND_CALL_DYNAMIC);
  +#if ZEND_MODULE_API_NO < 20160303
  + ZEND_SET_CALL_INFO(call, ZEND_CALL_NESTED);
  +#else
  + ZEND_SET_CALL_INFO(call, object, ZEND_CALL_DYNAMIC|ZEND_CALL_NESTED);
  +#endif
  efree(swReactorCheckPoint);
  swReactorCheckPoint = prev_checkpoint;
  zend_vm_stack_free_args(current_ex);
  @@ -313,7 +322,6 @@ static PHP_METHOD(swoole_coroutine_util, call_user_func)
  #else
  static PHP_METHOD(swoole_coroutine_util, call_user_func)
  {
  - zval retval;
  zend_fcall_info fci;
  zend_fcall_info_cache fci_cache;
  @@ -324,12 +332,6 @@ static PHP_METHOD(swoole_coroutine_util, call_user_func)
  fci.retval = (execute_data->prev_execute_data->opline->result_type != IS_UNUSED) ? return_value : NULL;
  swoole_corountine_call_function(&fci, &fci_cache);
  -// if (Z_TYPE(retval) != IS_UNDEF) {
  -// if (Z_ISREF(retval)) {
  -// zend_unwrap_reference(&retval);
  -// }
  -// ZVAL_COPY_VALUE(return_value, &retval);
  -// }
  }
  #endif
  @@ -352,7 +354,7 @@ static PHP_METHOD(swoole_coroutine_util, call_user_func_array)
  #else
  static PHP_METHOD(swoole_coroutine_util, call_user_func_array)
  {
  - zval *params, retval;
  + zval *params;
  zend_fcall_info fci;
  zend_fcall_info_cache fci_cache;
  @@ -365,12 +367,6 @@ static PHP_METHOD(swoole_coroutine_util, call_user_func_array)
  fci.retval = (execute_data->prev_execute_data->opline->result_type != IS_UNUSED) ? return_value : NULL;
  swoole_corountine_call_function(&fci, &fci_cache);
  -// if (Z_TYPE(retval) != IS_UNDEF) {
  -// if (Z_ISREF(retval)) {
  -// zend_unwrap_reference(&retval);
  -// }
  -// ZVAL_COPY_VALUE(return_value, &retval);
  -// }
  zend_fcall_info_args_clear(&fci, 1);
  }
  