X-Git-Url: https://main.carlh.net/gitweb/?p=dcpomatic.git;a=blobdiff_plain;f=src%2Flib%2Fevent_history.h;h=f723591fbd19bd81c0fa052e997a59c88195a22c;hp=5b0f9a6a3879a876810cacb772a1aa1d08761405;hb=b19987ae5342602977b265ba9167ec09e433367c;hpb=78c27b4fa4d23d4a0a64f0398350ec5697d50551

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