Fix for event logger

[Björn Tackmann]

Dear flexisip developers,

please find below a minor patch for the event logger. In my setup, the logs 
were written without line feeds, and the below patch fixes the issue.

Best regards,
Björn


==========
diff --git a/src/eventlogs/eventlogs.cc b/src/eventlogs/eventlogs.cc
index 968e41f..2ce4793 100644
--- a/src/eventlogs/eventlogs.cc
+++ b/src/eventlogs/eventlogs.cc
@@ -315,7 +315,8 @@ void FilesystemEventLogWriter::writeRegistrationLog(const 
std::shared_ptr<Regist
        if (rlog->mContacts)
                msg << " (" << rlog->mContacts->m_url << ") ";
        if (rlog->mUA)
-               msg << rlog->mUA << endl;
+               msg << rlog->mUA;
+       msg << endl;

        if (::write(fd, msg.str().c_str(), msg.str().size()) == -1) {
                LOGE("Fail to write registration log: %s", strerror(errno));