[DotGNU]derefence bug & hopefully a fix ...

[Gopal V]

Hi Rhys,
        The stack.c in pnetC/samples failed to compile ... hopefully
it should be correctly fixed by my small fix here ... I did not do
much digging around the edges , but this seemed to be the problem ?
I cannot commit, SSH still b0rked ... 

Gopal
-- 
The difference between insanity and genius is measured by success

deref.patch
Description: Text document