include/starpu_config.h.in: add needed macro

include/starpu_config.h.in

@@ -1,7 +1,7 @@
 /* StarPU --- Runtime system for heterogeneous multicore architectures.
  *
  * Copyright (C) 2009-2016  Université de Bordeaux
- * Copyright (C) 2010, 2011, 2012, 2013, 2015  CNRS
+ * Copyright (C) 2010, 2011, 2012, 2013, 2015, 2016  CNRS
  * Copyright (C) 2014  INRIA
  *
  * StarPU is free software; you can redistribute it and/or modify
@@ -104,6 +104,8 @@
 #undef STARPU_HAVE_UNSETENV
 #undef STARPU_HAVE_UNISTD_H
 
+#undef STARPU_FXT_LOCK_TRACES
+
 #ifdef _MSC_VER
 typedef long starpu_ssize_t;
 #define __starpu_func__ __FUNCTION__