Bug#692734: unblock: ettercap/0.7.5-4

["Barak A. Pearlmutter" <barak@cs.nuim.ie>]

> I'm not aware of any security issues in Ettercap and the release
> announcement of 0.7.5 doesn't mention them either.

> The 0.7.4 release mentions several buffer overflows, but this version
> is already in testing.

Well, that depends on *which* 0.7.4 you mean, NG-0.7.4 vs v0.7.4, but in
any case, even just peeking at the very tip of the 0.7.5 tree in git we
immediately see something highly suspicious:

$ cd ettercap
$ git log --pretty=oneline --deco --graph v0.7.5| head -5

*   9e82ea656a5cbecc79823143907564cd4b446573 (tag: v0.7.5) Merge branch 'ettercap_rc'
|\
| *   302152524ccd09ac4252d5f33c617cc6e9ed9545 Merge pull request #29 from kholia/o5logon-fixes
| |\
| | * b510c1520a64372fffd04449413bb0255598d149 Fix crash with Nmap generated packets, catch login failures
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