updated wgnuplot.hlp

[Petr M. <mi...@ph...>]

So, users of MSW 2000 reports that only
	wgnuplot-XP_EN.hlp
from the 3 different hlp's works on their system. Thus, what to do with
that? I propose:

1. refresh gp400win32.zip with the new .hlp file
   (new users would not be affected)

2. put wgnuplot_hlp_w2k_update.zip with the regenerated help file for
download

Maybe only the 1st as a refresh (i.e., no change of name) is sufficient?

Both files are on gnuplot's sf web directory test/ to be released (at
least 1.) asap.

Petr