dia v0.80 - dependency problem

[Sean Doull-Connolly]

I'm running a plain vanilla server install of RH6.0 , kernel 2.2.5-15.
The dia rpm install fails with:

    Failed dependency...
        libxml.so.1 is needed by dia.0.80-1

I've installed the RH 6.0 rpm rpm for libxml.  What did I miss?

Thanks in advance.

Sean