rCGContext is not used for iOS
rCGContext is not used for iOS

Change-Id: If853edc8cd15bc61f0bc9d421799ad290a87d298

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