fix syntax issue with gcc (#1674)
fix syntax issue with gcc (#1674)

* fix syntax issue with gcc

Signed-off-by: William Woodall <c824fe0afe16857dd6f587aa7c4044d2642d60fb@osrfoundation.org>

* uncrustify

Signed-off-by: William Woodall <c824fe0afe16857dd6f587aa7c4044d2642d60fb@osrfoundation.org>
ros2/rclcpp,ros2/rclcpp