t7400: barf if git-submodule removes or replaces a file
t7400: barf if git-submodule removes or replaces a file

The test for an unmolested file wouldn't fail properly if the file had been
removed or replaced by something other than a regular file. This fixes it.

Signed-off-by: Lars Hjemli <1022a68b169538dabe33b1e3a08dffa0cefd6c22@gmail.com>
Signed-off-by: Junio C Hamano <a6723cc3f76163bf7adb636a73ac3b0ceb3e6b9b@pobox.com>

destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git