Applied patch

http://openfoam.cfd-online.com/cgi-bin/forum/show.cgi?126/10427

src/sampling/sampledSet/sampledSets/sampledSets.C

@@ -102,7 +102,7 @@ bool Foam::sampledSets::checkFieldTypes()
     nFields += grep(symmTensorFields_, fieldTypes);
     nFields += grep(tensorFields_, fieldTypes);
 
-    if (Pstream::master)
+    if (Pstream::master())
     {
         if (debug)
         {