ENH: inverseVolume: not register temporary field V

src/fvMotionSolver/motionDiffusivity/inverseVolume/inverseVolumeDiffusivity.C

@@ -2,7 +2,7 @@
   =========                 |
   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
    \\    /   O peration     |
-    \\  /    A nd           | Copyright (C) 2011-2012 OpenFOAM Foundation
+    \\  /    A nd           | Copyright (C) 2011-2013 OpenFOAM Foundation
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
 License
@@ -75,7 +75,10 @@ void Foam::inverseVolumeDiffusivity::correct()
         (
             "V",
             mesh().time().timeName(),
-            mesh()
+            mesh(),
+            IOobject::NO_READ,
+            IOobject::NO_WRITE,
+            false
         ),
         mesh(),
         dimless,