Log Message:
-----------
Bump PG_CONTROL_VERSION to account for the incompatible change committed earlier.
Modified Files:
--------------
pgsql/src/include/catalog:
pg_control.h (r1.55 -> r1.56)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/include/catalog/pg_control.h?r1=1.55&r2=1.56)