error compiling agent++v3.4.5 lib file

[loke cheok mun roy]

unfortunately, i'm still stuck with this compiling error... all 
suggestions are welcome... thx in advance

regards, roy
 ---------------------My Error Msgs----------------------------
 
 ..\List.h(1232) : error C2440: '=' : cannot convert from 'class 
 MibEntry *' to 'class MibLeaf *'