t6006: clean up whitespace
t6006: clean up whitespace

The test_format function did not indent its in-line test
script in an attempt to make the output of the test look
better. But it does not make a big difference to the output,
and the source looks quite ugly. Let's use our normal
indenting instead.

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