psqlodbc - psqlodbc: Fix the bug that when the show OID column option is

Log Message:
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Fix the bug that when the show OID column option is enabled, SQLColumns() returns "oid" column info even when the column name parameter which is different from "oid" is specified (bug report from Seifert, Jan-Peter).

Modified Files:
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psqlodbc:
info.c (r1.171 -> r1.172)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/psqlodbc/psqlodbc/info.c?r1=1.171&r2=1.172)
version.h (r1.219 -> r1.220)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/psqlodbc/psqlodbc/version.h?r1=1.219&r2=1.220)