header needed in graph

maureeungaro · maureeungaro · commit d67ae2f124e6 · 2023-02-09T09:14:36.000-05:00
diff --git a/utilities/graph.h b/utilities/graph.h
@@ -1,6 +1,9 @@
 #ifndef graph_H
 #define graph_H 1
 
+// gemc headers - needed for the definition of MHit::OPTICALPHOTONPID
+#include "HitProcess.h"
+
 // Qt headers
 #include <QtWidgets>
 
