src/OpenFOAM: Rationalised use of enumerations by using the C++11 scoped form

for

    db/functionObjects/timeControl/timeControl.H: timeControls
    primitives/bools/Switch/Switch.H: class switchType
    primitives/strings/fileName/fileName.H: fileType
    primitives/strings/wordRe/wordRe.H: compOption

src/OpenFOAM/db/functionObjects/functionObjectList/functionObjectList.C

@@ -92,7 +92,7 @@ void Foam::functionObjectList::listDir
 
     // Recurse into sub-directories
     {
-        fileNameList foDirs(fileHandler().readDir(dir, fileName::DIRECTORY));
+        fileNameList foDirs(fileHandler().readDir(dir, fileType::directory));
         forAll(foDirs, fd)
         {
             listDir(dir/foDirs[fd], foMap);