message: Fix the trace log of current_coro.
diff: @@ -386,9 +386,9 @@ int sw_coro_save(zval *return_value, php_context *sw_current_context)
  int sw_coro_resume(php_context *sw_current_context, zval *retval, zval *coro_retval)
  {
  - swTraceLog(SW_TRACE_COROUTINE,"sw_coro_resume coro id %d", COROG.current_coro->cid);
  coro_task *task = SWCC(current_task);
  COROG.current_coro = task;
  + swTraceLog(SW_TRACE_COROUTINE,"sw_coro_resume coro id %d", COROG.current_coro->cid);
  task->state = SW_CORO_RUNNING;
  EG(current_execute_data) = SWCC(current_execute_data);
  EG(vm_stack) = SWCC(current_vm_stack);
  