pgsql: Here's a tiny fix for a harmless typo in catalog.c: Too much

Log Message:
-----------
Here's a tiny fix for a harmless typo in catalog.c:

Too much space is allocated for tablespace file path, I guess the
directory name used to be "pg_tablespaces" instead of "pg_tblspc" at
some point.

Heikki Linnakangas

Modified Files:
--------------
pgsql/src/backend/catalog:
catalog.c (r1.57 -> r1.58)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/catalog/catalog.c.diff?r1=1.57&r2=1.58)