(ITS#7079) back-mdb

[hyc]

Full_Name: Howard Chu
Version: HEAD/RE24
OS: Linux
URL: ftp://ftp.openldap.org/incoming/
Submission from: (NULL) (76.94.188.8)
Submitted by: hyc


back-mdb is working well in master, should be added to RE24 and marked
Experimental.