Upgrade tdb from 1.3.12
tdb: version 1.3.13
- documentation for the tdbbackup -n option
- correctly upgrade F_RDLCK to F_WRLCK locks
- tdbtool: Add "storehex" command
- fix robust mutex detection in threaded applications (bug #12593)
- improve debugging of transaction lock failures
tdb: version 1.3.14
- allow tdb_traverse_read before tdb_transaction[_prepare]_commit()
- Improve documentation for tdb_transaction_start()
- Add new function tdb_transaction_active()
tdb: version 1.3.15
- Add protection against EINTR.
- Truncate the file after expand failure, ENOSPC
- Use posix_fallocate() to expand the file
- Fix GCC compiler warnings
Closes T6596