pgsql: Fix data_checksum GUC show_hook

Fix data_checksum GUC show_hook

Commit f19c0eccae erroneously omitted the show_hook for the
data_checksum GUC.

Author: Daniel Gustafsson <daniel@yesql.se>
Reviewed-by: Tomas Vondra <tomas@vondra.me>
Reviewed-by: SATYANARAYANA NARLAPURAM <satyanarlapuram@gmail.com>
Reviewed-by: Ayush Tiwari <ayushtiwari.slg01@gmail.com>
Discussion: /messages/by-id/9197F930-DDEB-4CAC-82A2-16FEC715CCE8@yesql.se

Branch
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master

Details
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https://git.postgresql.org/pg/commitdiff/75152c5dc5d38929ddf82f65d5c59eb5a628ab38

Modified Files
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src/backend/utils/misc/guc_parameters.dat | 1 +
1 file changed, 1 insertion(+)