TUT: Added min/max(p) function object

tutorials/combustion/engineFoam/kivaTest/system/controlDict

@@ -59,10 +59,6 @@ functions
         libs            ("libutilityFunctionObjects.so");
         name            setDeltaT;
 
-        code
-        #{
-        #};
-
         codeExecute
         #{
             const Time& runTime = mesh().time();
@@ -75,6 +71,14 @@ functions
             }
         #};
     }
+
+    fieldMinMax
+    {
+        type            fieldMinMax;
+        libs            ("libfieldFunctionObjects.so");
+        fields          (p);
+    }
 }
 
+
 // ************************************************************************* //