On on EMF+ images generated by ChemDraw, some elements were not displayed. After investigation, occurs that position of points was not read properly in same cases. This commit fixes such cases. Change-Id: I1d01d8defc41f4e437a669ef1268b8e33823cfc1 Reviewed-on: https://gerrit.libreoffice.org/37406 Reviewed-by: Bartosz Kosiorek <gang65@poczta.onet.pl> Tested-by: Bartosz Kosiorek <gang65@poczta.onet.pl>