Corrected 'Class' entries in headers

Using script provided by Bruno Santos
See https://bugs.openfoam.org/view.php?id=2919

src/functionObjects/field/fieldValues/fieldValue/fieldValue.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) 2011-2018 OpenFOAM Foundation
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
 License
@@ -22,7 +22,7 @@ License
     along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.
 
 Class
-    Foam::fieldValue
+    Foam::functionObjects::fieldValue
 
 Group
     grpFieldFunctionObjects

src/functionObjects/field/surfaceInterpolate/surfaceInterpolate.H

@@ -22,7 +22,7 @@ License
     along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.
 
 Class
-    Foam::surfaceInterpolate
+    Foam::functionObjects::surfaceInterpolate
 
 Group grpFieldFunctionObjects