bug#16353: 24.3.50; cl-position fails in 23.4.1

[Glenn Morris]

João Távora wrote:

> This is GNU Emacs 23.4.1 (x86_64-pc-linux-gnu, GTK+ Version 2.24.10)
>  of 2012-09-08 on trouble, modified by Debian
>
> Using that emacs and cl-lib-0.3.el this fails
>
> /usr/bin/emacs --batch -Q -l cl-lib.el \
>                --eval "(princ (cl-position 2 '(1 2 3)))"

Namespace clash. cl-seq.el used to contain an internal function called
"cl-position". It was renamed to cl--position in 24.3.