pgsql: Silence compiler warnings, per Bruce.

Log Message:
-----------
Silence compiler warnings, per Bruce.

Modified Files:
--------------
pgsql/src/backend/commands:
analyze.c (r1.105 -> r1.106)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/commands/analyze.c.diff?r1=1.105&r2=1.106)
vacuumlazy.c (r1.86 -> r1.87)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/commands/vacuumlazy.c.diff?r1=1.86&r2=1.87)