i121446:fix SwAccessibleParagraph::GetGlyphBoundary()'s ret val
i121446:fix SwAccessibleParagraph::GetGlyphBoundary()'s ret val

Change-Id: I651ed02aa65b556c2315c8d9ed49ab7dc59687c8

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