PATCH: inn-2.4.2:art.c:ARTxrefslave() bug causes ARTpost() segfault

[Russ Allbery]

Chris Caputo <ccaputo at alt.net> writes:

> Repro:

>    0) xrefslave be true
>    1) active file reload (such as by startup or newgroup message)
>    2) multi-group cancel control message received prior to any other
>       multi-group message with a higher number of groups.

> Crash due to segmentation fault at 2.4.2's art.c line 2296:

>      ngp->PostCount = 0;

> I believe fix to ARTxrefslave() is as follows.

Thanks, applied.

-- 
Russ Allbery (rra at stanford.edu)             <http://www.eyrie.org/~eagle/>

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