[bufrtables] Error in WMO standard table element 3-02-044

Theres a typo in WMO Master Table version 13 
(http://www.wmo.int/pages/prog/www/WMOCodes/Operational/BUFR/BufrTabB-11-2007.pdf)

3 02 044 (Evaporation data) 0 04 024 Time period in hours
  0 02 004 Type of instrument for evaporation or crop type for 
evapotranspiration
0 13 003 Relative humidity should be:
  0 04 024 Time period in hours
  0 02 004 Type of instrument for evaporation or crop type for 
evapotranspiration
  0 13 033 Evaporation /evapotranspiration

this has been reported to WMO (Pierre Kerhervé) with the help of Gil Ross and 
Stanley Kellett.