Resolves: fdo#80160 PNG with 1-bit colormap only show black and white
Resolves: fdo#80160 PNG with 1-bit colormap only show black and white

Change-Id: If0c9950c18e6091fafea47954a4654db436a3a44

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