Merge pull request #3619 from bluca/relicense

Fix formatting and add relicense for mesegura

RELICENSE/mesegura.md

+# Permission to Relicense under MPLv2
+
+This is a statement by Manuel Segura
+that grants permission to relicense its copyrights in the libzmq C++
+library (ZeroMQ) under the Mozilla Public License v2 (MPLv2).
+
+A portion of the commits made by the Github handle "mesegura", with
+commit author "Manuel Segura", are copyright of Manuel Segura .
+This document hereby grants the libzmq project team to relicense libzmq,
+including all past, present and future contributions of the author listed above.
+
+Manuel Eduardo Segura
+2019/08/10

src/ip.cpp

@@ -129,7 +129,8 @@ void zmq::enable_ipv4_mapping (fd_t s_)
 {
     LIBZMQ_UNUSED (s_);
 
-#if defined IPV6_V6ONLY && !defined ZMQ_HAVE_OPENBSD && !defined ZMQ_HAVE_DRAGONFLY
+#if defined IPV6_V6ONLY && !defined ZMQ_HAVE_OPENBSD                           \
+  && !defined ZMQ_HAVE_DRAGONFLY
 #ifdef ZMQ_HAVE_WINDOWS
     DWORD flag = 0;
 #else