Adrien Béraud authored Sep 05, 2017 and Guillaume Roguez committed Sep 08, 2017

Implicit sockaddr* conversion was causing crashes because it was taking
precedence over the (explicit) bool conversion operator in expressions like:
if (addr) {}
, which semantically should trigger the bool operator.

Fix the issue by making the operator explicit.

Change-Id: Ia8470fa03acc70c59bc74d831ae8420807b108ba