Fixes: 0001238: wrong jpgraph for records with no submitdate

This fixes the issue of different values between the table data and the pie chart, now, the number of non completed are presented.

git-svn-id: file:///Users/Shitiz/Downloads/lssvn/source/stable_plus@3426 b72ed6b6-b9f8-46b5-92b4-906544132732