style: remove multiple statement on a single line in zeroconf

Differential Revision: https://phab.mercurial-scm.org/D1833

hgext/zeroconf/Zeroconf.py

@@ -1613,7 +1613,8 b' class Zeroconf(object):'
                                                _DNS_TTL, service.address))
 
                     service = self.services.get(question.name.lower(), None)
-                    if not service: continue
+                    if not service:
+                        continue
 
                     if (question.type == _TYPE_SRV or
                         question.type == _TYPE_ANY):