Fix the MsSqlDataContextTest.DataContextTestBase.GetCommand() test.
Fix the MsSqlDataContextTest.DataContextTestBase.GetCommand() test.

Apparently the SQL generated has changed to enclose WHERE clauses in
parenthesis, e.g. 'WHERE foo = bar' is now 'WHERE (foo = bar)'.


git-svn-id: 1800f71f313d917366f95485fa960eed04b40598@1107 33146b6e-df29-0410-a1ca-39be37fb9416

koush/dblinq,koush/dblinq