Corrected the name of the wall-function.

tutorials/incompressible/porousSimpleFoam/angledDuctImplicit/0/nut

@@ -23,25 +23,25 @@ boundaryField
 {
     front
     {
-        type            nutWallFunction;
+        type            nutkWallFunction;
         value           uniform 0;
     }
 
     back
     {
-        type            nutWallFunction;
+        type            nutkWallFunction;
         value           uniform 0;
     }
 
     wall
     {
-        type            nutWallFunction;
+        type            nutkWallFunction;
         value           uniform 0;
     }
 
     porosityWall
     {
-        type            nutWallFunction;
+        type            nutkWallFunction;
         value           uniform 0;
     }