Fixed: change of point style of interpolated data did not change in WQ chart of fixanalysis Fixed: change of point style of interpolated data did not change in dWt chart of fixanalysis; also had duplicate legend entries

SYMBOLSET
SYMBOL
  NAME 'point'
  TYPE ELLIPSE
  POINTS
    1 1
  END
  FILLED TRUE
END
SYMBOL
  NAME "square"
  TYPE VECTOR
  POINTS
    0 0
    0 1
    1 1
    1 0
    0 0
  END
  FILLED TRUE
END
END