test-rename: accept solaris diff
Solaris diff gives
@@ -1,1 +1,1 @@
instead of
@@ -1 +1 @@
--- a/tests/test-rename.t Sat Sep 25 02:35:35 2010 +0200
+++ b/tests/test-rename.t Sat Sep 25 02:35:36 2010 +0200
@@ -265,7 +265,7 @@
$ diff -u d1/b d2/b
--- d1/b * (glob)
+++ d2/b * (glob)
- @@ -1 +1 @@
+ @@ * (glob)
-d1/b
+d2/b
[1]