Move libweston-desktop.h

This too is a public installed header.

The public headers are moved under a new top-level directory include/ to make
them clearly stand out as special (public API).

Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.com>

ivi-shell/ivi-layout-private.h

@@ -30,7 +30,7 @@
 
 #include <libweston/libweston.h>
 #include "ivi-layout-export.h"
-#include "libweston-desktop/libweston-desktop.h"
+#include <libweston-desktop/libweston-desktop.h>
 
 struct ivi_layout_view {
 	struct wl_list link;	/* ivi_layout::view_list */

ivi-shell/ivi-shell.h

@@ -30,7 +30,7 @@
 #include <stdint.h>
 
 #include <libweston/libweston.h>
-#include "libweston-desktop/libweston-desktop.h"
+#include <libweston-desktop/libweston-desktop.h>
 
 struct ivi_shell
 {