loplugin:oncevar

Change-Id: I62fbef4959390161509e20a41f687a967db6c2fe
diff --git a/shell/source/backends/macbe/macbackend.mm b/shell/source/backends/macbe/macbackend.mm
index 9c9103c..a855142 100644
--- a/shell/source/backends/macbe/macbackend.mm
+++ b/shell/source/backends/macbe/macbackend.mm
@@ -327,10 +327,9 @@ css::uno::Any MacOSXBackend::getPropertyValue(
    } else if ( PropertyName == "ooInetProxyType" )
    {
        // override default for ProxyType, which is "0" meaning "No proxies".
        sal_Int32 nProperties = 1;
        return css::uno::makeAny(
            css::beans::Optional< css::uno::Any >(
                true, uno::makeAny( nProperties ) ) );
                true, uno::makeAny( sal_Int32(1) ) ) );
    } else if ( PropertyName == "ooInetNoProxy" )
    {
        rtl::OUString aProxyBypassList;