Cleanup varobj children handling

[Nick Roberts]

 > > /* Every variable keeps a linked list of its children, described
 > >    by the following structure. */
 > > /* FIXME: Deprecated.  All should use vlist instead */
 > > 
 > > Buy perhaps this is not relevant.
 > 
 > The comment was written before vec.c was available, so it naturally
 > does not suggest vec.c.

Before your change varobj.c had two (equivalent?) types of data structure:
vstack and vlist.  After your change varobj.c has two (equivalent?) types of
data structure: VEC and vlist.

Should VEC not also be used for vlist?

-- 
Nick                                           http://www.inet.net.nz/~nickrob