Re: [9front] fix ref822

[ori@eigenstate.org]

> also, i think the uniqarray() approach is wrong. we probably want to
> deduplicate while we insert into a. we should never populate m->references
> with duplicate items in the first place.

The comment implied that other mail clients will mistakenly
give us duplicate refrences -- I don't know if we're guaranteed
that they'll all be together, so this may not be quite right
either.
 
> delete uniquearray() and instead just do it like this:
> 
> a = m->references;
> n = tokenize(f, ....);
> 
> for(i=0; i<n; i++){
> 	for(j=0; j<Nref; j++){
> 		if(a[j] == nil || strcmp(a[j], f[i]) == 0)
> 			break;
> 	}
> 	if(j == Nref){
> 		// handle full case, shift a by one
> 	}
> 
> 	// now a[j] can be: nil = slot free, 
> 	a[j] = f[i];	// put into array
> }
> 
> --
> cinap