mock rpmdb version issue with epel-5-i386 target

[Alan Franzoni]

I think I've forgot mock output :-/

[user at cobblerserver mock]$ mock --init -r epel-5-i386
INFO: mock.py version 0.9.17 starting...
State Changed: init plugins
State Changed: start
State Changed: lock buildroot
State Changed: clean
State Changed: init
State Changed: lock buildroot
Mock Version: 0.9.17
INFO: Mock Version: 0.9.17
INFO: enabled root cache
INFO: enabled yum cache
State Changed: cleaning yum metadata
INFO: enabled ccache
State Changed: running yum
State Changed: creating cache
[user at cobblerserver mock]$ mock --shell -r epel-5-i386
INFO: mock.py version 0.9.17 starting...
State Changed: init plugins
State Changed: start
State Changed: lock buildroot
mock-chroot> rpm -qa
rpmdb: /var/lib/rpm/Packages: unsupported hash version: 9
error: cannot open Packages index using db3 - Invalid argument (22)
error: cannot open Packages database in /var/lib/rpm
mock-chroot> rpm --rebuilddb
rpmdb: /var/lib/rpm/Packages: unsupported hash version: 9
error: cannot open Packages index using db3 - Invalid argument (22)
mock-chroot> exit