pgsql: Fix psql after newline patch for calloc(0).

Log Message:
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Fix psql after newline patch for calloc(0).

Kris Jurka

Modified Files:
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pgsql/src/bin/psql:
print.c (r1.80 -> r1.81)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/bin/psql/print.c.diff?r1=1.80&r2=1.81)