Enable libupnp debug

modules/control/upnp_server/upnp_server.cpp

@@ -23,6 +23,7 @@
 #include "upnp_server.h"
 
 #include <upnp/ExtraHeaders.h>
+#include <upnp/upnpdebug.h>
 
 #include <vlc_common.h>
 

modules/services_discovery/upnp-wrapper.cpp

@@ -34,6 +34,7 @@
 #endif
 
 #include "upnp-wrapper.hpp"
+#include "upnp/upnpdebug.h"
 
 UpnpInstanceWrapper* UpnpInstanceWrapper::s_instance;
 UpnpInstanceWrapper::Listeners UpnpInstanceWrapper::s_listeners;
@@ -62,6 +63,9 @@ UpnpInstanceWrapper *UpnpInstanceWrapper::get(vlc_object_t *p_obj)
             return NULL;
         }
 
+    //UpnpSetLogLevel(UPNP_INFO);
+    //UpnpSetLogFileNames("/tmp/upnp.log", NULL);
+
     #ifdef UPNP_ENABLE_IPV6
         char* psz_miface = var_InheritString( p_obj, "miface" );
         if (psz_miface == NULL)