sql2pg - mssqlext: Alter cast priority to favour case insensitive

Log Message:
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Alter cast priority to favour case insensitive compares

Modified Files:
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mssqlext:
varcharci.sql (r1.1 -> r1.2)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/sql2pg/mssqlext/varcharci.sql.diff?r1=1.1&r2=1.2)