Fix warning about class previously declared as struct.

Reported by clang++.

diff --git a/src/graph.h b/src/graph.h
index 20765a3..0514c0c 100644 (file)
--- a/src/graph.h
+++ b/src/graph.h
@@ -112,7 +112,7 @@ struct Rule {
   // TODO: private:
 
   // Allow the parsers to reach into this object and fill out its fields.
-  friend class ManifestParser;
+  friend struct ManifestParser;
 
   string name_;