fix usage of CacheRouteInterfaceFactory

[jg-development]

looks like the CacheRouteInterfaceFactory is not correctly used...
jg-development@a09eb9b

without this fix setup:di:compile does not work

[thampe]

Hi @jg-development,

I had just the same issue. Could you provide a pull request? So it is easisier for the maintainer (not me) to fix it :).

Thanks!

[jg-development]

here you go