Bug fix (wrong dimension).

The routine, with method='spline-sum' for flow variables, could not handle dseries
objects with more than one variable.

src/utilities/convert/dseriesA2Q.m

@@ -65,7 +65,7 @@ switch method
         % Compute first difference to get flow values
         dOF = dO(2:end) - dO(1:end-1);
         % Construct the final data
-        tdata = dOF(ids:ide);
+        tdata(:,i) = dOF(ids:ide);
     end
   otherwise
     error('Unknow method.')