t7005: do not exit inside test.
t7005: do not exit inside test.

The way to signal failure is to leave non-zero in $?, not abort
the entire test.

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