Correct sequence name for fresh Postgres installation

Spotted by gebhkla on bug 60083

Bug: 60083
Change-Id: I34283c2539f4ce9d1b85756b3e1c16d255000ed5
(cherry picked from commit 305622fbc95a50fdb83cb9a4dda8c27f61710ede)
Merge "Correct sequence name for fresh Postgres installation" into REL1_22