fixed error msg
fixed error msg

modelica-3rdparty/netCDF-DataReader,modelica-3rdparty/netCDF-DataReader,tbeu/netCDF-DataReader,tbeu/netCDF-DataReader,modelica-3rdparty/netCDF-DataReader,tbeu/netCDF-DataReader,modelica-3rdparty/netCDF-DataReader,tbeu/netCDF-DataReader