autogen.sh fix for non-GNU systems

[Björn JACKE]

On 2007-06-07 at 14:55 +0300 Toomas Soome sent off:
> man tr. solaris supports things like [:alpha:].
> 
> toomas

only in some more or less random cases:

build at sunX:~/samba-3.0.25a/source> echo 123abc |LC_ALL=C /usr/bin/tr -d [:alpha:]
123
build at sunX:~/samba-3.0.25a/source> echo 123abc |LC_ALL=de_DE.UTF-8 /usr/bin/tr -d [:alpha:]
Fehlerhafte Zeichenkette
build at sunX:~/samba-3.0.25a/source> echo 123abc |LC_ALL=en_US.UTF-8 /usr/bin/tr -d [:alpha:]
Bad string
samba-technical at lists.samba.org

Bjoern
-- 
SerNet GmbH, Bahnhofsallee 1b, 37081 Göttingen
phone: +49-551-370000-0, fax: +49-551-370000-9
AG Göttingen, HRB 2816, GF: Dr. Johannes Loxen