NamedEnum: Updated to support C++11 scoped enumerations

src/OpenFOAM/containers/NamedEnum/NamedEnum.H

@@ -2,7 +2,7 @@
   =========                 |
   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
    \\    /   O peration     |
-    \\  /    A nd           | Copyright (C) 2011-2016 OpenFOAM Foundation
+    \\  /    A nd           | Copyright (C) 2011-2017 OpenFOAM Foundation
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
 License
@@ -113,7 +113,7 @@ public:
         //- Return the name of the given enumeration element
         const char* operator[](const Enum e) const
         {
-            return names[e];
+            return names[int(e)];
         }
 };