bug#12600: 24.2.50; linum-mode: line numbers in fringe do not refresh when resizing frame

[martin rudalics]

> emacs -Q
>
> Load large file, e.g. emacs.c. Buffer content must exceed one
> screen.
>
> Enable linum mode with `M-x linum-mode'.
>
> Shrink frame. Maximize frame. Fringe on the left side is missing line
> numbers.

I checked in a fix for this in revision 110551.  Please try again.

martin