Update: Add missing 'extern' for prototype of controller_unlock_print_flush().

diff --git a/level_3/controller/c/lock/private-lock_print.h b/level_3/controller/c/lock/private-lock_print.h
index 62f135c77a02bad8bdab7f6f61c03911e1e9d272..6e9740c71560cef85f4d0bd245396f6a5b8fb335 100644 (file)
--- a/level_3/controller/c/lock/private-lock_print.h
+++ b/level_3/controller/c/lock/private-lock_print.h
@@ -70,7 +70,7 @@ extern "C" {
  * @see f_thread_mutex_unlock()
  */
 #ifndef _di_controller_unlock_print_flush_
-  void controller_unlock_print_flush(const f_file_t to, controller_thread_t * const thread) F_attribute_visibility_internal_d;
+  extern void controller_unlock_print_flush(const f_file_t to, controller_thread_t * const thread) F_attribute_visibility_internal_d;
 #endif // _di_controller_unlock_print_flush_
 
 #ifdef __cplusplus