added tensor_operation.hpp to fix build error

8134b5ee · Mintz, Tiffany · 2883719a · 8134b5ee
Commit 8134b5ee authored Jun 24, 2019 by Mintz, Tiffany
--- a/src/runtime/graph/TensorGraph.hpp
+++ b/src/runtime/graph/TensorGraph.hpp
@@ -2,6 +2,7 @@
 #define XACC_QUANTUM_GRAPH_HPP_

 #include "Identifiable.hpp"
+#include "tensor_operation.hpp"

 #include <fstream>
 #include <iostream>