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-rw-r--r--src/graph_test.cc2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/graph_test.cc b/src/graph_test.cc
index 660943f..14f6375 100644
--- a/src/graph_test.cc
+++ b/src/graph_test.cc
@@ -17,6 +17,8 @@
#include "test.h"
+using namespace std;
+
struct GraphTest : public StateTestWithBuiltinRules {
GraphTest() : scan_(&state_, NULL, NULL, &fs_, NULL) {}