message: SQLFreeHandle: clean up parameter wrapper.
diff: #include "duckdb_odbc.hpp"
  +#include "parameter_wrapper.hpp"
  #include <odbcinst.h>
  using std::string;
  @@ -50,6 +51,7 @@ SQLRETURN SQLFreeHandle(SQLSMALLINT handle_type, SQLHANDLE handle) {
  case SQL_HANDLE_STMT: {
  auto *hdl = (duckdb::OdbcHandleStmt *)handle;
  if (hdl == hdl->dbc->stmt_handle) {
  + hdl->param_wrapper->Clear();
  hdl->dbc->stmt_handle = nullptr;
  }
  delete hdl;
  