Merge branch 'candidate-7.0.8' into candidate-7.2.0

Signed-off-by: Richard Chapman <rchapman@hpccsystems.com>

ecl/hql/hqlexpr.cpp

@@ -2688,6 +2688,7 @@ inline unsigned doGetNumChildTables(IHqlExpression * dataset)
     case no_owned_ds:
     case no_dataset_alias:
     case no_ensureresult:
+    case no_createdictionary:
         return 1;
     case no_executewhen:
     case no_setresult: