[PATCH] varobj.c, value_of_root, (another) memory leak

[msnyder@sonic.net]

>  > I'm not totally sure about this -- does the return value of
> var_get_type
>  > need to be freed?  If so, there are some other places in mi-cmd-var
>  > where it isn't being.
>
> Yes, I think this is right but USE_SELECTED_FRAME is broken anyway.  The
> ones in mi-cmd-var.c may be more important.  Similar problems seem to
> occur with varobj_get_expression and varobj_get_value.

Committed.