Fix

Author: hazzik

src/NHibernate/Async/Hql/Ast/ANTLR/HqlSqlWalker.cs

@@ -236,7 +236,6 @@
     <Compile Include="Async\Hql\Ast\ANTLR\Exec\IStatementExecutor.cs" />
     <Compile Include="Async\Hql\Ast\ANTLR\Exec\MultiTableDeleteExecutor.cs" />
     <Compile Include="Async\Hql\Ast\ANTLR\Exec\MultiTableUpdateExecutor.cs" />
-    <Compile Include="Async\Hql\Ast\ANTLR\HqlSqlWalker.cs" />
     <Compile Include="Async\Hql\Ast\ANTLR\QueryTranslatorImpl.cs" />
     <Compile Include="Async\Hql\IQueryTranslator.cs" />
     <Compile Include="Async\ICriteria.cs" />