Adjust to ls-tree --full-name when run from a subdirectory.

A proposed change to show cwd relative paths by default from
ls-tree when run from a subdirectory means we would need to
give --full-name option to it.

Signed-off-by: Junio C Hamano <junkio@cox.net>

diff --cc git-checkout.sh
index 1219ea0,36308d2..3bbd111
--- 1/git-checkout.sh
--- 2/git-checkout.sh
+++ b/git-checkout.sh
@@@ -80,7 -79,7 +80,7 @@@ the
                # from a specific tree-ish; note that this is for
                # rescuing paths and is never meant to remove what
                # is not in the named tree-ish.
--              git-ls-tree -r "$new" "$@" |
++              git-ls-tree --full-name -r "$new" "$@" |
                git-update-index --index-info || exit $?
        fi
        git-checkout-index -f -u -- "$@"