patch for Bro release 0.7a175

The 0.7a175 release had a serious bug in it, in which a malformed TCP
option could wedge Bro. This is fixed in the 0.7a175b release, now
available from:

I've also appended a patch for the 0.7a175 sources.

More generally, I want to start moving towards the notion of "stable"
versus "current" releases, where "stable" releases just have bug fixes
applied to them, and no new features. In light of this, the above
is also available as:

- Vern

*** Tue Aug 27 15:47:09 2002
--- Thu Sep 19 22:49:27 2002