Fix: set custom screen DPI (#5165)
Fix: set custom screen DPI (#5165)

Settings -> Screen -> Screen DPI
When custom DPI is not set we see ugly information with %1:
poire-z/koreader,NiLuJe/koreader,mihailim/koreader,pazos/koreader,NiLuJe/koreader,koreader/koreader,Markismus/koreader,Frenzie/koreader,Hzj-jie/koreader,poire-z/koreader,mwoz123/koreader,Frenzie/koreader,koreader/koreader