[gcc website] 2.5.8 missing in timeline

[Joe Buck]

> The 2.5.8 release of gcc is missing from the list at
> 
> 	http://gcc.gnu.org/releases.html#historical
> 
> The web page mentions that "evidence for a missing release date"
> is seeked, so here it is.
> 
> This line is from a ftp "dir" made sometime in February of 1994
> in /pub/gnu on prep.ai.mit.edu:
> 
> 	-rw-r--r--  1 14910    wheel     5997896 Jan 24 08:03 gcc-2.5.8.tar.gz

I can confirm that date (from an RCS log for the obsolete g++ FAQ).