Fix compiler warning
With some newer gcc versions (8 and 9) you get a -Wformat-overflow
warning here. In PG11 and later this was already fixed. Since it's
trivial, backport it to get the older branches building without
warnings.
Branch
------
REL9_5_STABLE
Details
-------
https://git.postgresql.org/pg/commitdiff/72bdf0f9e4418f49c76743b860fcc471539bc770
Modified Files
--------------
src/bin/pgbench/pgbench.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
