message: Fixed start function
diff: @@ -503,9 +503,9 @@ impl Instance {
  result
  }
  - pub fn start(&mut self, vmctx: &VmCtx) {
  + pub fn start(&self, vmctx: &VmCtx) {
  if let Some(func_index) = self.start_func {
  - let func: fn(&VmCtx) = get_instance_function!(self, func_index);
  + let func: fn(&VmCtx) = get_instance_function!(&self, func_index);
  func(vmctx)
  }
  }
  