[Sab] 0.52.1 patch

[Petr Cimprich]

This a simple patch (by Boyd Gerber) adding cast to two places of
encoding.cpp. Using this pach, the 0.52 compiles on UnixWare, OpenServer
and Solaris (but xsl:sort still doesn't work on Solaris). This patch is
of no use on other platforms.

Regards,
Petr

--
Petr Cimprich
Ginger Alliance
www.gingerall.com