Fix error message on short read of pg_control

Magnus Hagander <magnus@hagander.net>

Commit: b5f096d50bee5c20023ed05390fdc52aa44a1404
Author: Magnus Hagander <magnus@hagander.net>
Date: 2018-05-18T15:53:19Z
Releases: 9.4.19
Fix error message on short read of pg_control

Instead of saying "error: success", indicate that we got a working read
but it was too short.

Files

PathChange+/−
src/backend/access/transam/xlog.c modified +12 −4