pentaho/pentaho-kettle — pull request #846 by andrey-markelov (2014-11-18 10:20:27+00:00)
Title: [PDI-11194] fixed case of summation of number values in number form to number values in empty string form

Created after failing sample files running on ci:
http://ci.pentaho.com/job/Kettle-integration-tests/555/consoleFull
Please merge