trace documentation: fix reference to events definitions

repos/base/include/base/thread.h

@@ -426,7 +426,7 @@ class Genode::Thread
 		}
 
 		/**
-		 * Log trace event as defined in base/trace.h
+		 * Log trace event as defined in base/trace/events.h
 		 */
 		template <typename EVENT>
 		static void trace(EVENT const *event) { _logger()->log(event); }