linux (debian) version: typecasting

```
Type conversion from real to int in Limbo programs apparently
doesn't work. Acme-sac's "seq" works in Inferno, but not in
the Linux version (Debian package) of acme-sac.

seq 10 20

1
2
3
4
5
6
7
8
9
:
;
<
=
>
?
16
17
18
19
20


```

Original issue reported on code.google.com by `i...@gmx.de` on 8 Feb 2010 at 7:07
