Documentation: cloning to empty directory is allowed
Cloning into an existing empty directory is now allowed:
commit 55892d23981917aefdb387ad7d0429f90cbd446a
("Allow cloning to an existing empty directory")
Signed-off-by: Alexander Potashev <aspotashev@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>