pgsql: List psql tab completion for various default keywords.

Log Message:
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List psql tab completion for various default keywords.

Joachim Wieland

Modified Files:
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pgsql/src/bin/psql:
tab-complete.c (r1.146 -> r1.147)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/bin/psql/tab-complete.c.diff?r1=1.146&r2=1.147)