[Tilesathome] tilesathome rmtree issue on Windows

[Ed Loach]

> It doesn't seem to have helped. The rmtree still fails at 765
> of
> tileset.pm, then fails again at 893 of perl\lib\temp.pm (which
> it
> didn't previously).

I restarted and only get the 765 failure now (using the amended
code). I wonder if the 893 was to do with me amending the code while
it was running. Anyway, replacing the one line of code with the
three (with the explicit close) hasn't helped. The split_*.png files
remain locked on my XP and Vista machines until I exit t at h client,
and prevent rmtree from unloading them.

I've downloaded Perl Express and will see if that allows me to use
breakpoints to trace when the file gets locked. Previously I'd just
downloaded a java based editor which displayed the line numbers (as
Windows notepad doesn't like the files much).

Ed