Bug#629589: segfault gone, but problems remain

[Richard A Nelson]

$ ldapwhoami
SASL/GSSAPI authentication started
ldap_sasl_interactive_bind_s: Invalid credentials (49)
        additional info: SASL(-13): authentication failure: GSSAPI Failure:
gss_accept_sec_context

$ ldapwhoami
SASL/GSSAPI authentication started
SASL username: cowboy@<REALM>
SASL SSF: 56
SASL data security layer installed.
dn:uid=cowboy,ou=users,dc=...


$ ldapwhoami
SASL/GSSAPI authentication started
ldap_sasl_interactive_bind_s: Other (e.g., implementation specific) error (80)
        additional info: SASL(-1): generic failure: GSSAPI Error:  No
credentials were supplied, or the credentials were unavailable or inaccessible.
(unknown mech-code 0 for mech unknown)

A tad bit unreliable ... and those were back-to-back queries :(