Log Message:
-----------
Move xact.c's partial support for Lists of TransactionIds into pg_list.h.
Needed because lock.c is now going to use the same type of list.
Modified Files:
--------------
pgsql/src/include/nodes:
pg_list.h (r1.54 -> r1.55)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/include/nodes/pg_list.h.diff?r1=1.54&r2=1.55)
pgsql/src/backend/access/transam:
xact.c (r1.225 -> r1.226)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/access/transam/xact.c.diff?r1=1.225&r2=1.226)