provide default values in LU example

examples/lu/lu_example.c

@@ -1,6 +1,6 @@
 /* StarPU --- Runtime system for heterogeneous multicore architectures.
  *
- * Copyright (C) 2009-2012  Université de Bordeaux 1
+ * Copyright (C) 2009-2013  Université de Bordeaux 1
  * Copyright (C) 2010, 2011, 2012, 2013  Centre National de la Recherche Scientifique
  *
  * StarPU is free software; you can redistribute it and/or modify
@@ -96,6 +96,7 @@ static void parse_args(int argc, char **argv)
 		else if (strcmp(argv[i], "-h") == 0 || strcmp(argv[i], "--help") == 0)
 		{
 			fprintf(stderr,"usage: lu [-size n] [-nblocks b] [-piv] [-no-stride] [-profile] [-bound] [-bounddeps] [-bounddepsprio]\n");
+			fprintf(stderr,"Default is size %lu and nblocks %u\n", size, nblocks);
 			exit(0);
 		}
 	}