Fix parenthesis and simplify
Fix parenthesis and simplify

See http://nabble.documentfoundation.org/About-parenthesis-problem-in-testintrosp-cxx-td4030420.html
Thank you Lubos!

Change-Id: If46b3d3aa304f2c16d66813ff337a70b3a520e76

JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core