fix shellcheck issue with ssh-keys/user-auth
fix shellcheck issue with ssh-keys/user-auth

elia/dokku,jimjag/dokku,dokku/dokku,fruitl00p/dokku,elia/dokku,sseemayer/dokku,progrium/dokku,amaltson/dokku,amaltson/dokku,claytonbrown/dokku,alexquick/dokku,alexquick/dokku,econya/dokku,alexquick/dokku,johnfraney/dokku,econya/dokku,elia/dokku,alexquick/dokku,amaltson/dokku,econya/dokku,econya/dokku,Evlos/dokku,amaltson/dokku,jimjag/dokku,Evlos/dokku,econya/dokku,Evlos/dokku,johnfraney/dokku,dokku/dokku,sseemayer/dokku,sseemayer/dokku,jimjag/dokku,fruitl00p/dokku,fruitl00p/dokku,fruitl00p/dokku,sseemayer/dokku,johnfraney/dokku,claytonbrown/dokku,claytonbrown/dokku,johnfraney/dokku,dokku/dokku,jimjag/dokku,jimjag/dokku,amaltson/dokku,claytonbrown/dokku,elia/dokku,johnfraney/dokku,elia/dokku,Evlos/dokku,amaltson/dokku,alexquick/dokku,alexquick/dokku,fruitl00p/dokku,elia/dokku,Evlos/dokku,alexquick/dokku,dokku/dokku,econya/dokku,claytonbrown/dokku,dokku/dokku,Evlos/dokku,econya/dokku,econya/dokku,progrium/dokku,sseemayer/dokku,elia/dokku,jimjag/dokku,progrium/dokku,johnfraney/dokku,progrium/dokku,sseemayer/dokku,claytonbrown/dokku,claytonbrown/dokku,amaltson/dokku,claytonbrown/dokku,progrium/dokku,Evlos/dokku,johnfraney/dokku,alexquick/dokku,sseemayer/dokku,Evlos/dokku,elia/dokku,fruitl00p/dokku,dokku/dokku,johnfraney/dokku,jimjag/dokku,dokku/dokku,fruitl00p/dokku,jimjag/dokku,progrium/dokku,sseemayer/dokku,progrium/dokku,amaltson/dokku,progrium/dokku,fruitl00p/dokku,dokku/dokku