bug#58153: hungry sort eats lines

[DrSlony]

Hey

printf '%s\n' "key;foo" "key0;bar0" | sort -Vu -t ';' --key=1,1

sort 8.32 outputs:
    key;bar
    key0;foo

sort 9.1 outputs:
    key;foo

"key0;foo" is missing.

Regards
Morgan