Updating sampleDict in rhoSonicFoam/shockTube case

tutorials/rhoSonicFoam/shockTube/system/sampleDict

@@ -25,13 +25,14 @@ FoamFile
 
 interpolationScheme cellPoint;
 
-writeFormat     raw;
+setFormat     raw;
 
-sampleSets      
+sets      
 (
-    uniform
+    data
     {
-        name            data;
+        type            uniform;
+
         axis            x;
         start           (-4.995 0 0);
         end             (4.995  0 0);
@@ -39,6 +40,9 @@ sampleSets
     }
 );
 
+surfaces
+();
+
 fields          
 (
     T