Fixed bug for reading illustration points for hydraulic boundary locations for which not all closing situations are being calculated. Related to Issue [WTI-1302]git-svn-id: https://repos.deltares.nl/repos/WettelijkToetsInstrumentarium/trunk@10594 5a3db67b-de53-47b5-99c8-a1c30a6650e2Former-commit-id: e4996a30f3c16da0e2c186f7386abb819b00893cFormer-commit-id: 3425bacf99fc479c3401f4f93bd3a89fe21d7339