[PATCH] Fix NmapArpCache to actually grow beyond size 0

[Daniel Roethlisberger <daniel () roe ch>]

I've been looking at the NmapArpCache function in tcpip.cc; as far as I
can see the cache was always size 0 and was never able to grow.

The attached patch increments ArpCacheSz when adding a tuple to the
cache.  It also moves the realloc into the conditional block, since
there is only a need for reallocation if ArpCapacity is increased.

This probably needs some further pre-commit testing because of
previously dormant codepaths.

-Dan

-- 
Daniel Roethlisberger <daniel () roe ch>

Attachment: patch-nmap-tcpip.cc.diff
Description:

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