Sync the src version of netpgpverify with the version in pkgsrc

> ----------------------------
> revision 1.10
> date: 2015-02-04 16:58:02 -0800; author: agc; state: Exp; lines: +1 -0; commitid: 0v3HoBPFTnhDSK8y;
> appease compiler warning police - initialise a variable in case it's otherwise
> "used uninitialised". ride previous version bump.
> ----------------------------
> revision 1.9
> date: 2015-02-04 16:21:57 -0800; author: agc; state: Exp; lines: +48 -21; commitid: ElUADrlljB46GK8y;
> Update netpgpverify (and libnetpgpverify) to version 20150205
>
> + recognise signatures made by subkeys as well as by primary keys
>
> + print out the relevant key which signed the file, even if it's
> a subkey and not the primary key itself.
>
> + keep the same API as before
>
> with many thanks to Jonathan Perkin
> ----------------------------
> revision 1.8
> date: 2015-02-03 13:34:57 -0800; author: agc; state: Exp; lines: +1 -3; commitid: 6qTclEbv7hmZMB8y;
> Update netpgpverify, and libnetpgpverify, to 20150204
>
> + dump the huge output in testing script to /dev/null so that we can
> see what's happening with the other tests in testit.sh
>
> + fix from jperkin@, don't try to be clever when selecting the only
> key id in a keyring
>
> + add a test for single key (non-ssh) pubring
> ----------------------------
> revision 1.7
> date: 2015-02-03 13:13:17 -0800; author: agc; state: Exp; lines: +3 -0; commitid: ztXbqAi9ocXGFB8y;
> Update netpgpverify, and libnetpgpverify, to 20150203
>
> + portability fixes to make netpgpverify build on freebsd 10.1 with WARNS=5
>
> + fixed an oversight in the testit.sh script