t0060: fix whitespace in "wc -c" invocation
t0060: fix whitespace in "wc -c" invocation

Some platforms like to stick extra whitespace in the output
of "wc -c"; using the result without quotes gets the shell
to collapse the whitespace.

Signed-off-by: Jeff King <696e3fbcf235d40b6ea1ebd61c87cbea79d444e7@peff.net>
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