trunc is C99 only (thus not C++03)
trunc is C99 only (thus not C++03)

Change-Id: Ia045472386c82369206bfb06dbc8f7a5bde60510

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