Use correct type name in comments about freezing.
Oversight in commit 9e540599, which added freeze plan deduplication.
Branch
------
master
Details
-------
https://git.postgresql.org/pg/commitdiff/813492dacceecb752725b7e370ac7f5748b1edf9
Modified Files
--------------
src/backend/access/heap/heapam.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)