ATLAS_WP_JET_8TEV_PT: Ndat mismatch

Created by: voisey

Unless I'm mistaken it seems that for ATLAS_WP_JET_8TEV_PT the commondata has 16 points but the C-factor has 17 points. Do you know what's going on here @enocera?

Data: https://github.com/NNPDF/nnpdf/blob/master/nnpdfcpp/data/commondata/DATA_ATLAS_WP_JET_8TEV_PT.dat C-factors: https://github.com/NNPDF/nnpdf/blob/master/nnpdfcpp/data/NNLOCFAC/CF_QCD_ATLAS_WP_JET_8TEV_PT.dat