pgsql: Now \d show tablespace of indices per discussion.

Log Message:
-----------
Now \d show tablespace of indices per discussion.

test=# \d e
Table "public.e"
Column | Type | Modifiers
--------+---------+-----------
i | integer | not null
j | integer | not null
k | integer |
Indexes:
"e_pkey" PRIMARY KEY, btree (i, j), tablespace "haha"
"ei" btree (i)
"ej" btree (j), tablespace "haha"
"ek" btree (k)
Tablespace: "haha"

Qingqing Zhou

Modified Files:
--------------
pgsql/src/bin/psql:
describe.c (r1.116 -> r1.117)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/bin/psql/describe.c.diff?r1=1.116&r2=1.117)