Add a note about MinGW debugging TODO.
Add a note about MinGW debugging TODO.

Change-Id: I272c06f557c1667ecb15396be71bcd38e472ef73

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