lttng-adaptation-layer: add required header (since 2.6)

Signed-off-by: Julien Desfossez <jdesfossez@efficios.com>

diff --git a/contents/using-lttng/instrumenting/instrumenting-linux-kernel/instrumenting-linux-kernel-itself/lttng-adaptation-layer.md b/contents/using-lttng/instrumenting/instrumenting-linux-kernel/instrumenting-linux-kernel-itself/lttng-adaptation-layer.md
index 1c117e076e9b2244e164155921de38499516d10d..1595cf2a7ce795f8489de35553b4b1f1d9be2edb 100644 (file)
--- a/contents/using-lttng/instrumenting/instrumenting-linux-kernel/instrumenting-linux-kernel-itself/lttng-adaptation-layer.md
+++ b/contents/using-lttng/instrumenting/instrumenting-linux-kernel/instrumenting-linux-kernel-itself/lttng-adaptation-layer.md
@@ -28,6 +28,7 @@ Following our `hello_world` event example, here's the content of
 #if !defined(_TRACE_HELLO_H) || defined(TRACE_HEADER_MULTI_READ)
 #define _TRACE_HELLO_H
 
+#include "../../../probes/lttng-tracepoint-event.h"
 #include <linux/tracepoint.h>
 
 LTTNG_TRACEPOINT_EVENT(