made fsmanager work with the new rc system

service/fsmanager.lua

@@ -11,6 +11,9 @@ end
 for addr, _ in component.list("filesystem") do
  mount(addr)
 end
+
+function start()
+ return os.spawn(function()
   while true do
    local tE = {coroutine.yield()}
    if tE[1] == "component_added" and tE[3] == "filesystem" then
@@ -19,3 +22,5 @@ while true do
     fs.umount("/mnt/"..tE[2]:sub(1,3))
    end
   end
+ end,"fsmanager")
+end