RtfAttributeOutput::NumberingLevel: fix indentation
RtfAttributeOutput::NumberingLevel: fix indentation

Change-Id: I0b889a5a19842a1daa150777241119a373923b02

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