test: wider matching in 'test-clone-r.t'

The test is already somewhat resistant to changes from general delta. We make
it wider to catch expected differences.

tests/test-clone-r.t

@@ -63,7 +63,7 b''
        2        96      48  .....       2 626a32663c2f 8b89697eba2c 000000000000 (re)
        3       144      48  .....       3 f54c32f13478 626a32663c2f 000000000000 (re)
        4       192      ..  .....       6 de68e904d169 626a32663c2f 000000000000 (re)
-       5       2..      68  .....       7 09bb521d218d de68e904d169 000000000000 (re)
+       5       2..      ..  .....       7 09bb521d218d de68e904d169 000000000000 (re)
        6       3..      54  .....       8 1fde233dfb0f f54c32f13478 000000000000 (re)
 
   $ hg verify