Remove redundant #include path component.

Using the parent '../' path component in #include statements makes
the codebase more rigid and is redundant due to proper -I use.

Signed-off-by: Jon A. Cruz <jonc@osg.samsung.com>
Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net>
Reviewed-by: Bryce Harrington <bryce@osg.samsung.com>
diff --git a/clients/dnd.c b/clients/dnd.c
index cff7804..1ab2033 100644
--- a/clients/dnd.c
+++ b/clients/dnd.c
@@ -40,7 +40,7 @@
 #include <wayland-cursor.h>
 
 #include "window.h"
-#include "../shared/cairo-util.h"
+#include "shared/cairo-util.h"
 
 struct dnd_drag;