Fix bug in summation of biovolume for ciliate subdivide categories. 
Fix bug in summation of biovolume for ciliate subdivide categories. 

git-svn-id: https://beagle.whoi.edu/svn/ifcb/trunk@355 9f5e5bc8-6430-4f94-ad00-aad15e9f9366

Former-commit-id: c43d9208a6a63440d8f681cbb02777371a644caf
hsosik/ifcb-analysis,hsosik/ifcb-analysis,hsosik/ifcb-analysis,hsosik/ifcb-analysis,hsosik/ifcb-analysis