color fix (final!)

[Pavel Roskin]

Hi, Oskar!

> This patch fixes a long-standing problem regarding colors in
> stable and CVS versions of mc. If your terminal is not listed
> in color_terminals (src/slint.c:450), colors won't be enabled
> unless you force them with -c. The problem is that mc always
> overrides the value of the SLtt_Use_Ansi_Colors variable,
> which is already initialized by slang.

Applied.  Thank you very much!

-- 
Regards,
Pavel Roskin