lwip: update

* Update to current master branch

* Quietens unused variable warnings building mDNS.
This commit is contained in:
Our Air Quality 2017-12-08 12:30:58 +11:00
parent 1d77f3ec1f
commit c4dcfb1cac

@ -1 +1 @@
Subproject commit f372198834caf642c4b2d29d98fc1e120e3ce2b2 Subproject commit 4e87c66bff75fbd02be86522de0f0bcf40a11f34