bug#22071: incorrect behaviour for inverted matches with -l on empty files

[Mark Wotton]

orb ➜  ~/src/grep-2.22  touch empty
orb ➜  ~/src/grep-2.22  ./src/grep -v -l "hi there" ./empty

gives empty output. Surely the file "empty" should match 'does not match
"hi there"' ?

cheers
mark