coverity#705167 Missing break in switch

Change-Id: Ia87d4dce6780ce1f69b031599c1a211436f4f819
Related: fdo#73051 make font size drop down of optimal width

presumably keithcu felt the font size was too wide, so lets
try and implement the desired effect of an optimal width.

Change-Id: Idc1741de04b3559fa415ebcf2289f96ba240ca8f