WebDAV serf: crash fix on init

Change-Id: I418865f4552cb91c7e2ba47e6b73baf8ee0547a3
Reviewed-on: https://gerrit.libreoffice.org/68519Reviewed-by: Szymon Kłos <szymon.klos@collabora.com>
Tested-by: Szymon Kłos <szymon.klos@collabora.com>

ucb/source/ucp/webdav/SerfSession.cxx

@@ -1120,7 +1120,7 @@ void SerfSession::abort()
 }
 
 
-const ucbhelper::InternetProxyServer & SerfSession::getProxySettings() const
+const ucbhelper::InternetProxyServer SerfSession::getProxySettings() const
 {
     if ( m_aUri.GetScheme() == "http" || m_aUri.GetScheme() == "https" )
     {

ucb/source/ucp/webdav/SerfSession.hxx

@@ -236,7 +236,7 @@ private:
     /// @throws DAVException
     void HandleError( std::shared_ptr<SerfRequestProcessor> rReqProc );
 
-    const ucbhelper::InternetProxyServer & getProxySettings() const;
+    const ucbhelper::InternetProxyServer getProxySettings() const;
 
     static bool removeExpiredLocktoken( const OUString & inURL,
                                  const DAVRequestEnvironment & rEnv );