Add FUNCTION_PRINT_FILE_LIST to semaphore list

Author: nseidle

Firmware/RTK_Surveyor/settings.h

@@ -297,6 +297,7 @@ typedef enum
   FUNCTION_FILEMANAGER_UPLOAD3,
   FUNCTION_SDSIZECHECK,
   FUNCTION_LOG_CLOSURE,
+  FUNCTION_PRINT_FILE_LIST,
 
 } SemaphoreFunction;