mod: kill slider_watcher on kpv exit
mod: kill slider_watcher on kpv exit

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