(ITS#9009) 2.5: Switch to LMDB v1.0

[quanah@openldap.org]

Full_Name: Quanah Gibson-Mount
Version: 2.5
OS: N/A
URL: ftp://ftp.openldap.org/incoming/
Submission from: (NULL) (47.208.144.40)


For the OpenLDAP 2.5 release, we need to switch to using liblmdb v1.0 for the
newer features, including MDB_VL32 support.