Adjusted to renaming of TCB in NuttX

src/modules/systemlib/err.c

@@ -1,6 +1,6 @@
 /****************************************************************************
  *
- *   Copyright (C) 2012 PX4 Development Team. All rights reserved.
+ *   Copyright (c) 2012, 2013 PX4 Development Team. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -61,7 +61,7 @@ const char *
 getprogname(void)
 {
 #if CONFIG_TASK_NAME_SIZE > 0
-	_TCB	*thisproc = sched_self();
+	FAR struct tcb_s	*thisproc = sched_self();
 
 	return thisproc->name;
 #else