+++ /dev/null
-index 2317d6e9..e1e897ed 100644
---- a/ivi-shell/ivi-layout-export.h
-+++ b/ivi-shell/ivi-layout-export.h
-@@ -56,12 +56,14 @@ extern "C" {
- #endif /* __cplusplus */
-
- #include <stdint.h>
-+#include <limits.h>
-
- #include "stdbool.h"
- #include "compositor.h"
-
- #define IVI_SUCCEEDED (0)
- #define IVI_FAILED (-1)
-+#define IVI_INVALID_ID UINT_MAX
-
- struct ivi_layout_layer;
- struct ivi_layout_screen;