Added to ensure that bloom index pages can be distinguished from other pages by pg_filedump. Because there wasn't any public/production versions before, it doesn't pay attention to any compatibility issues.
Per notice from Tom Lane
813b456 Add page id to bloom index
contrib/bloom/bloom.h | 19 +++++++++++++++++--
contrib/bloom/blutils.c | 1 +
2 files changed, 18 insertions(+), 2 deletions(-)
Upstream: git.postgresql.org