Switch to side-by-side view

--- a/upmpd/ohtime.hxx
+++ b/upmpd/ohtime.hxx
@@ -21,6 +21,8 @@
 
 #include "libupnpp/device/device.hxx"
 
+using namespace UPnPP;
+
 class UpMpd;
 
 class OHTime : public UpnpService {