Switch to side-by-side view

--- a/upmpd/ohproduct.hxx
+++ b/upmpd/ohproduct.hxx
@@ -19,7 +19,7 @@
 
 #include <string>
 
-#include "libupnpp/device.hxx"
+#include "libupnpp/device/device.hxx"
 
 class UpMpd;