Re: [Libguestfs] [PATCH] Change wording from "twice" to "more than once" in error messages

When erroring out about duplicated parameters, say "more than once" instead of "twice", since there can be more than two repeated parameters. Thanks to: Xiaodai Wang ---

+++ b/generator/fish.ml @@ -367,7 +367,7 @@ let generate_fish_run_cmds actions () = pr " }\n"; pr "\n"; pr " if (optargs_s.bitmask & this_mask) {\n"; - pr " fprintf (stderr, _(\"%%s: optional argument \\\"%%s\\\" given twice\\n\"),\n"; + pr " fprintf (stderr, _(\"%%s: optional argument \\\"%%s\\\" given more than once\\n\"),\n";