ccrypt: try to get rid of 'unknowns'
ccrypt: try to get rid of 'unknowns'

Former-commit-id: ca8c0ee5472f3636314e8ac38d27ec47eadf7f6a
Former-commit-id: f8d18018fc42fcebb17166c14c1999d046d5a089 [formerly 6fb77e8f896f53364a53c0b34724ed8a6883b4ca] [formerly a2695dd527afb783baa9721b246f4c60ee7bc266 [formerly 19ee0d468cd0127a827e2ed4586c4ab8db34c7c0]]
Former-commit-id: 8406d24ce6b1d04efaec2323e6d164f33fc436d9 [formerly d07eb8f038cc138fcc176afcf1faac7d493753c6]
Former-commit-id: d803b24bdf921e0128171fca825fcc238ce8f4ac
PolyJIT/benchbuild,PolyJIT/benchbuild,PolyJIT/benchbuild,PolyJIT/benchbuild