LONG BINARY now maps to MS SQL VARBINARY [CR #636192]

The mapping of the columns of a proxy table to a Microsoft SQL Server table changed as of Sybase IQ 15.2 ESD #1. A LONG BINARY column now maps to a Microsoft SQL Server VARBINARY(max) column. In Sybase IQ 15.2 GA, a VARBINARY column was mapped to a Microsoft SQL Server VARBINARY(max) column.