Add missing copyright header

Seppo Takalo · Seppo Takalo · commit e21c1392ad95 · 2016-03-10T13:36:50.000+02:00
diff --git a/test/coap-service/unittest/stub/timeout_stub.c b/test/coap-service/unittest/stub/timeout_stub.c
@@ -1,4 +1,8 @@
-#include "eventOS_event_timer.h"
+/*
+ * Copyright (c) 2016 ARM Limited. All Rights Reserved.
+ */
+
+ #include "eventOS_event_timer.h"
 
 // Timeout structure, already typedefed to timeout_t
 struct timeout_entry_t {
