pgsql: Use INT64_FORMAT to print int64 variables in sort debug

Use INT64_FORMAT to print int64 variables in sort debug

Commit 6ee3b5fb99 cleaned up most of the long/int64 confusion related to
incremental sort, but the sort debug messages were still using %ld for
int64 variables. So fix that.

Author: Haiying Tang
Backpatch-through: 13, where the incremental sort code was added
Discussion: https://postgr.es/m/4250be9d350c4992abb722a76e288aef%40G08CNEXMBPEKD05.g08.fujitsu.local

Branch
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REL_13_STABLE

Details
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https://git.postgresql.org/pg/commitdiff/7d39586a59c6f5816a068bd38e1e4887d4c984ff

Modified Files
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src/backend/executor/nodeIncrementalSort.c | 28 ++++++++++++++--------------
1 file changed, 14 insertions(+), 14 deletions(-)