Do not create linkents in client library to prevent possible name collision.

dlls/util.h

@@ -108,7 +108,11 @@ typedef int BOOL;
 // The _declspec forces them to be exported by name so we can do a lookup with GetProcAddress()
 // The function is used to intialize / allocate the object for the entity
 
+#if defined(CLIENT_DLL)
+#define LINK_ENTITY_TO_CLASS(mapClassName,DLLClassName)
+#else // CLIENT_DLL
 #define LINK_ENTITY_TO_CLASS(mapClassName,DLLClassName) extern "C" EXPORT void mapClassName( entvars_t *pev ); void mapClassName( entvars_t *pev ) { GetClassPtr( (DLLClassName *)pev ); }
+#endif // CLIENT_DLL
 
 //
 // Conversion among the three types of "entity", including identity-conversions.