Fix error message.

Remove extra space.  Back-patch to all releases, like commit 7897e3bb.

Author: Lu, Chenyang <lucy.fnst@cn.fujitsu.com>
Discussion: https://postgr.es/m/795d03c6129844d3803e7eea48f5af0d%40G08CNEXMBPEKD04.g08.fujitsu.local
This commit is contained in:
Thomas Munro 2020-07-23 21:10:49 +12:00
parent 9f5162ef43
commit 6b366190d5