fix build issue

Author: carlguo866

lib/sql/Dialect.cpp

@@ -1,4 +1,4 @@
-//===- PolygeistDialect.cpp - Polygeist dialect ---------------*- C++ -*-===//
+//===- SQLDialect.cpp - SQL dialect ---------------*- C++ -*-===//
 //
 // This file is licensed under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
@@ -14,7 +14,7 @@ using namespace mlir;
 using namespace mlir::sql;
 
 //===----------------------------------------------------------------------===//
-// Polygeist dialect.
+// SQL dialect.
 //===----------------------------------------------------------------------===//
 
 void SQLDialect::initialize() {

lib/sql/Ops.cpp

@@ -1,4 +1,4 @@
-//===- PolygeistOps.cpp - BFV dialect ops ---------------*- C++ -*-===//
+//===- SQLOps.cpp - SQL dialect ops ---------------*- C++ -*-===//
 //
 // This file is licensed under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.