luci-lib-docker: update conding style
luci-lib-docker: update conding style

Signed-off-by: Florian Eckert <ee3e4af9c48a69f5a5c47153eb4a777754bfbe6f@dev.tdt.de>

lbthomsen/openwrt-luci,openwrt/luci,lbthomsen/openwrt-luci,lbthomsen/openwrt-luci,hnyman/luci,openwrt/luci,lbthomsen/openwrt-luci,hnyman/luci,hnyman/luci,hnyman/luci,openwrt/luci,lbthomsen/openwrt-luci,lbthomsen/openwrt-luci,hnyman/luci,openwrt/luci,openwrt/luci,hnyman/luci,openwrt/luci,openwrt/luci,hnyman/luci,openwrt/luci,hnyman/luci,lbthomsen/openwrt-luci,lbthomsen/openwrt-luci