Add missing pgcrypto files from previous commit.

contrib/pgcrypto/expected/pgp-armor.out

contrib/pgcrypto/expected/pgp-compression.out

contrib/pgcrypto/expected/pgp-decrypt.out

contrib/pgcrypto/expected/pgp-encrypt-DISABLED.out

contrib/pgcrypto/expected/pgp-encrypt.out

contrib/pgcrypto/expected/pgp-info.out

contrib/pgcrypto/expected/pgp-pubkey-DISABLED.out

contrib/pgcrypto/expected/pgp-pubkey-decrypt.out

contrib/pgcrypto/expected/pgp-pubkey-encrypt.out

contrib/pgcrypto/expected/pgp-zlib-DISABLED.out

contrib/pgcrypto/expected/sha2.out

contrib/pgcrypto/fortuna.c

contrib/pgcrypto/fortuna.h

contrib/pgcrypto/mbuf.c

contrib/pgcrypto/mbuf.h

contrib/pgcrypto/pgp-armor.c

contrib/pgcrypto/pgp-cfb.c

contrib/pgcrypto/pgp-compress.c

contrib/pgcrypto/pgp-decrypt.c

contrib/pgcrypto/pgp-encrypt.c