improve parameter flow in cpputype.cxx
improve parameter flow in cpputype.cxx

after commit
  c5d47c327a57df55
  "add default value for Context param in uno::Exception constructors"

Change-Id: Ib429b58c559ecd48764a8df2f49d5470057c2c63

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