Kobo Aura H2O: fix offset for reverse landscape (rotation_mode 3)
Kobo Aura H2O: fix offset for reverse landscape (rotation_mode 3)

mwoz123/koreader,koreader/koreader,pazos/koreader,poire-z/koreader,chihyang/koreader,frankyifei/koreader,lgeek/koreader,robert00s/koreader,ashang/koreader,NiLuJe/koreader,Hzj-jie/koreader,noname007/koreader,mihailim/koreader,chrox/koreader,koreader/koreader,NickSavage/koreader,poire-z/koreader,apletnev/koreader,Frenzie/koreader,houqp/koreader,ashhher3/koreader,Markismus/koreader,NiLuJe/koreader,Frenzie/koreader