Allow out-of-tree builds

Change-Id: If4b97e65f63c3abbf23140dd97b9febe00b3be0d
Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
diff --git a/apphandler.cpp b/apphandler.cpp
index bfc821e..8da85e4 100644
--- a/apphandler.cpp
+++ b/apphandler.cpp
@@ -1,5 +1,5 @@
 #include "apphandler.h"
-#include "ipmid-api.h"
+#include "host-ipmid/ipmid-api.h"
 #include "ipmid.hpp"
 #include <stdio.h>
 #include <string.h>