Log Message:
-----------
Add to release checklist:
* Update inet/cidr data types with newest Bind patches
Modified Files:
--------------
pgsql/src/tools:
RELEASE_CHANGES (r1.55 -> r1.56)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/tools/RELEASE_CHANGES.diff?r1=1.55&r2=1.56)