bug#19552: 25.0.50; void-function class-slot-initarg with new EIEIO changes

[Wolfgang Jenkner]

On Sat, Jan 10 2015, Eric Abrahamsen wrote:

> As of a couple of days ago, loading any library that depends on EIEIO
> gives an error. I'd originally reported this as a "too many args to
> defclass" error.

When loading ~/.emacs I got errors about eieio-defclass-internal being
undefined, so as a work-around I added (require 'eieio) to it, which
seems to work.

This is with

  commit a749f1c648f2b9bf1a0b0b10e2da4c1c4e3d431d
  Merge: 5fbd17e 6a67b20
  Author: Stefan Monnier <monnier@iro.umontreal.ca>
  Date:   Thu Jan 8 16:03:04 2015 -0500

  Shrink EIEIO object header.  Move generics to eieio-generic.el.