fix off by one error in the maximum number of gidNumber attributes in an LDAP group entry
fix off by one error in the maximum number of gidNumber attributes in an LDAP group entry

git-svn-id: 42347dce00c86f9aec5f22b61aa49406f8a6f818@957 ef36b2f9-881f-0410-afb5-c4e39611909c

arthurdejong/nss-pam-ldapd,arthurdejong/nss-pam-ldapd,arthurdejong/nss-pam-ldapd