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86fe40708b
When bash-completion (and thus `_known_hosts_real()`) is / is not available this will typically not change during the lifetime of a shell. The only exception is if the user would unset `_known_hosts_real()`, but well, that would be his problem. So we can easily define `__fzf_list_hosts()` either using `_known_hosts_real()` or using the old code, and avoid checking every time whether `_known_hosts_real()` is defined. Signed-off-by: Christoph Anton Mitterer <mail@christoph.anton.mitterer.name>