org-table: Turn `org-table-current-column' into a command again
* lisp/org-table.el (org-table-current-column): Add `interactive'
spec.
This function is called as a command by "Which column?" menu entry.
Reported-by: Chunyang Xu <mail@xuchunyang.me>
<http://permalink.gmane.org/gmane.emacs.orgmode/111785>