No more .memdump files left behind by xstlproc in postprocess
No more .memdump files left behind by xstlproc in postprocess

...since e37eb6345dcc09620889a9b8622ea0b7b57da0e0 "postprocess: convert to
gbuild"

Change-Id: Ia7f29efebb2872e096d36ab04f5d13bc2d437d71

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