pgsql: Fix ancient memory leak in index_create():

Log Message:
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Fix ancient memory leak in index_create(): RelationInitIndexAccessInfo
was being called twice in normal operation, leading to a leak of one set
of relcache subsidiary info. Per report from Jeff Gold.

Tags:
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REL7_3_STABLE

Modified Files:
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pgsql/src/backend/catalog:
index.c (r1.202 -> r1.202.2.1)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/catalog/index.c.diff?r1=1.202&r2=1.202.2.1)