Fix namespace. Change smb-passwd-hash into

Fix namespace.  Change smb-passwd-hash into
ntlm-smb-passwd-hash, smb-owf-encrypt into ntlm-smb-owf-encrypt,
smb-passwd-hash into ntlm-smb-passwd-hash, smbdes-e-p16 into
ntlm-smb-des-e-p16, smbdes-e-p24 into ntlm-smb-des-e-p24, smbhash
into ntlm-smb-hash, smb-sp8 into ntlm-smb-sp8, smb-str-to-key into
ntlm-smb-str-to-key, smb-dohash into ntlm-smb-dohash, smb-perm1
into ntlm-smb-perm1, smb-perm2 into ntlm-smb-perm2, smb-perm3 into
ntlm-smb-perm3, smb-perm4 into ntlm-smb-perm4, smb-perm5 into
ntlm-smb-perm5, smb-perm6 into ntlm-smb-perm6, smb-sc into
ntlm-smb-sc, smb-sbox into ntlm-smb-sbox, string-permute into
ntlm-string-permute, string-lshift into ntlm-string-lshift,
string-xor into ntlm-string-xor.  Suggested by
Jesper Harder <harder@myrealbox.com>.