hardware_interface: fix get_node() docs in HardwareComponentInterface #2473
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This PR adapts the fix from issue #2419 to the current codebase.
In older versions of
ros2_control
,get_node()
existed separately insystem_interface.hpp
andsensor_interface.hpp
, and the Doxygen comments thereincorrectly referenced ActuatorInterface.
In the current version,
get_node()
lives only in the base class(
hardware_component_interface.hpp
). However, its comment still incorrectlyreferred to System_Interface.
This PR corrects the documentation to properly reference
HardwareComponentInterface.
Fixes #2419