TUT: vortexShed case - added turbulenceFields example

tutorials/incompressible/pimpleFoam/LES/vortexShed/system/controlDict

@@ -46,6 +46,15 @@ runTimeModifiable true;
 
 functions
 {
+    turbulenceFields1
+    {
+        type            turbulenceFields;
+        libs            (fieldFunctionObjects);
+        writeControl    writeTime;
+
+        fields          (fd LESRegion);
+    }
+
     minMax1
     {
         libs            (fieldFunctionObjects);