Update to latest version of my smex patch.
Update to latest version of my smex patch.

This fixes performance of running smex. See
https://github.com/nonsequitur/smex/pull/55 for the source.

Wilfred/.emacs.d,Wilfred/.emacs.d,Wilfred/.emacs.d,Wilfred/.emacs.d,Wilfred/.emacs.d,Wilfred/.emacs.d,Wilfred/.emacs.d