a question about modules

[李金炜]

I have developed a module and put  it  to freeradius.
It can work  in freeradius0.1.bu it get an error in freeradius0.4.
The error is "ld.so.1: ./radiusd: fatal: relocation error: file 
/opt/VISP/AAA/lib/rlm_visp.so.0: symbol cf_pair_opt: referenced symbol not found"
.+-�w��˛���m��˛���m�zm�����y��v+���?�+-����m�