X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;ds=sidebyside;f=src%2Flib%2Fevent_history.h;h=f723591fbd19bd81c0fa052e997a59c88195a22c;hb=e36211226b83417796a90c8e3340efa9af995ad2;hp=5b0f9a6a3879a876810cacb772a1aa1d08761405;hpb=6a11232620e0006f6a2b1e8d2b56e56d84229d5c;p=dcpomatic.git

diff --git a/src/lib/event_history.h b/src/lib/event_history.h
index 5b0f9a6a3..f723591fb 100644
--- a/src/lib/event_history.h
+++ b/src/lib/event_history.h
@@ -18,6 +18,9 @@
 
 */
 
+#ifndef DCPOMATIC_EVENT_HISTORY_H
+#define DCPOMATIC_EVENT_HISTORY_H
+
 #include <boost/thread/mutex.hpp>
 #include <list>
 
@@ -39,3 +42,5 @@ private:
 	/** Number of events that we should keep history for */
 	int const _size;
 };
+
+#endif