prototype in ldap-int.h.

Incorporate #define's per Kurt's suggestion

to avoid accessing c_conn_state after close.

AM_INIT_AUTOMAKE.

locking requires and possibly restructure locking.

part fails if it does.

Fix compilation errors, mod declared as LDAPMod, but used inconsistently
as LDAPMod (but incorrectly).  Please review this change, I am not sure
I understood what was intended.

Provide human-readable syntax errors.

Provide human-readable errors.

Fix namespace contamination, some comments added.

modrdn.