Forgot to convert those to Lua strings

frontend/device/kobo/device.lua

@@ -866,13 +866,14 @@ function Kobo:init()
         for i = 0, tonumber(dev_count[0]) - 1 do
             local dev = devices[i]
             if dev.matched then
+                local path = ffi.string(dev.path)
                 -- We need to single out whichever device provides pagination buttons or sleep cover events, as we'll want to tweak key repeat there...
                 if bit.band(dev.type, C.INPUT_PAGINATION_BUTTONS) ~= 0 or bit.band(dev.type, C.INPUT_SLEEP_COVER) ~= 0 then
-                    logger.dbg("Opening (ntx_fd) input device", ffi.string(dev.name), "@", ffi.string(dev.path))
-                    self.ntx_fd = self.input.open(dev.path)
+                    logger.dbg("Opening (ntx_fd) input device", ffi.string(dev.name), "@", path)
+                    self.ntx_fd = self.input.open(path)
                 else
-                    logger.dbg("Opening input device", ffi.string(dev.name), "@", ffi.string(dev.path))
-                    self.input.open(dev.path)
+                    logger.dbg("Opening input device", ffi.string(dev.name), "@", path)
+                    self.input.open(path)
                 end
             end
         end