[db]Upgrade from ovirt-engine-3.3 to master fails

This patch renames a script that should be prefixed with 03_04 and had
wrong 03_03 prefix which cause to version duplication on upgrade from
3.3 stable branch

Change-Id: I5f79c47e8122bc5a7ae96f508996f6b318a54e45
Bug-Url: https://bugzilla.redhat.com/show_bug.cgi?id=1023048
Signed-off-by: Eli Mesika <emesika@redhat.com>