net/quagga: update 1.1.0 -> 1.1.1

Warning: This version still has this IPv6 bug:
https://bugzilla.quagga.net/show_bug.cgi?id=870

PR: 216440
Approved by: mat
Changes: https://lists.quagga.net/pipermail/quagga-dev/2017-January/016585.html