tests/test-extdiff.out

--- a/tests/test-extdiff.out	Tue Aug 15 00:03:48 2006 -0700
+++ b/tests/test-extdiff.out	Tue Aug 15 16:04:47 2006 +0200
@@ -29,3 +29,4 @@
 making snapshot of 1 files from rev e27a2475d60a
 making snapshot of 1 files from rev 5e49ec8d3f05
 diffing a.e27a2475d60a a.5e49ec8d3f05
+diff-like tools yield a non-zero exit code