update-counts: Fix a really dumb bug in logical-equal? that caused huge time blowup.
update-counts: Fix a really dumb bug in logical-equal? that
caused huge time blowup.

svn: r4259

mafagafogigante/racket,mafagafogigante/racket,mafagafogigante/racket,mafagafogigante/racket,mafagafogigante/racket,mafagafogigante/racket,mafagafogigante/racket,mafagafogigante/racket,mafagafogigante/racket