Allow for implicitly convertable loggers as well

Signed-off-by: Tim Clephas <[email protected]>

Author: Timple

rclcpp/include/rclcpp/logging.hpp

@@ -32,7 +32,7 @@
 #define RCLCPP_STATIC_ASSERT_LOGGER(logger) \
   do { \
     static_assert( \
-      ::std::is_same<typename std::remove_cv_t< \
+      ::std::is_convertible<typename std::remove_cv_t< \
         typename std::remove_reference_t<decltype(logger)>>, \
       typename ::rclcpp::Logger>::value, \
       "First argument to logging macros must be an rclcpp::Logger"); \