pgbulkload - pgbulkload: Use AllocateFile and FreeFile instead of fopen

Log Message:
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Use AllocateFile and FreeFile instead of fopen and fclose.

Modified Files:
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pgbulkload/lib:
pg_controlinfo.c (r1.6 -> r1.7)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgbulkload/pgbulkload/lib/pg_controlinfo.c.diff?r1=1.6&r2=1.7)