test_cmp: do not use "diff -u" on platforms that lack one

diff --git a/test-delta.c b/test-delta.c
index 3d885ff37ee7fc43dec05dd827679d68cee5516b..af40a3c49ee0df5f0caaebae8e9bc6e9ffdb092b 100644 (file)
--- a/test-delta.c
+++ b/test-delta.c
@@ -1,7 +1,7 @@
 /*
  * test-delta.c: test code to exercise diff-delta.c and patch-delta.c
  *
- * (C) 2005 Nicolas Pitre <nico@cam.org>
+ * (C) 2005 Nicolas Pitre <nico@fluxnic.net>
  *
  * This code is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 as