various include fixes

Change-Id: Ic00be577eaf76395ec95b8f8a41c330006339f51
diff --git a/include/upnp/mapping.h b/include/upnp/mapping.h
index ebcbdaa..19e6421 100644
--- a/include/upnp/mapping.h
+++ b/include/upnp/mapping.h
@@ -21,7 +21,7 @@
 
 #pragma once
 
-#include "ip_utils.h"
+#include "../ip_utils.h"
 
 #include <map>
 #include <string>
diff --git a/include/upnp/upnp_context.h b/include/upnp/upnp_context.h
index 57b45d6..2ac63cd 100644
--- a/include/upnp/upnp_context.h
+++ b/include/upnp/upnp_context.h
@@ -31,10 +31,10 @@
 #endif
 #include "igd.h"*/
 
-#include "ip_utils.h"
+#include "../ip_utils.h"
 
 #include "upnp_thread_util.h"
-#include "upnp/mapping.h"
+#include "mapping.h"
 
 #include <opendht/rng.h>
 #include <opendht/logger.h>
diff --git a/include/upnp/upnp_control.h b/include/upnp/upnp_control.h
index c9949b4..236c0c7 100644
--- a/include/upnp/upnp_control.h
+++ b/include/upnp/upnp_control.h
@@ -23,7 +23,7 @@
 #pragma once
 
 #include "mapping.h"
-#include "ip_utils.h"
+#include "../ip_utils.h"
 
 #include <memory>
 #include <chrono>