enable to add multiple host attirbyte on ldap_host_manage

[Joungkyun]

Want to add multiple host at one time.

[root@host ~]$ ldap_host_manage [email protected] client1.domain.com client2.domain.com

Expected result:

No error.

Actual result:

[root@host ~]$ ldap_host_manage [email protected] client1.domain.com client2.domain.com
ldap_host_manage: managed host access privileges
Usage: ldap_host_manage [OPTIONS] USERNAME HOST1
Options:
    -r               remove host
    -h               display this help message and exit

USERNAME format
    FROMAT : ACCOUNT@DOMAIN_NAME

    if base dn of LDAP is "dc=DOMAIN,dc=COM", domain name is "DOMAIN.COM".

Examples:
    # add HOST to LDAP_USER BASE DN 'dc=DOMAIN,dc=COM'
    ldap_host_manage [email protected] HOST

    # remove HOST to LDAP_USER BASE DN 'dc=DOMAIN,dc=COM'
    ldap_host_manage -r [email protected] HOST