Thread: pgsql: Replace the use of "0" with "NULL" where appropriate in dllist.c,

pgsql: Replace the use of "0" with "NULL" where appropriate in dllist.c,

From
neilc@svr1.postgresql.org (Neil Conway)
Date:
Log Message:
-----------
Replace the use of "0" with "NULL" where appropriate in dllist.c, for
good style and to satisfy sparse. From Alvaro Herrera.

Modified Files:
--------------
    pgsql/src/backend/lib:
        dllist.c (r1.30 -> r1.31)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/lib/dllist.c.diff?r1=1.30&r2=1.31)