Fix build

Author: yoavcloud

src/dialect/snowflake.rs

@@ -33,14 +33,16 @@ use crate::keywords::Keyword;
 use crate::parser::{Parser, ParserError};
 use crate::tokenizer::{Token, Word};
 #[cfg(not(feature = "std"))]
+use alloc::boxed::Box;
+#[cfg(not(feature = "std"))]
 use alloc::string::String;
 #[cfg(not(feature = "std"))]
 use alloc::vec::Vec;
 #[cfg(not(feature = "std"))]
 use alloc::{format, vec};
-use sqlparser::ast::StorageSerializationPolicy;
 
 use super::keywords::RESERVED_FOR_IDENTIFIER;
+use sqlparser::ast::StorageSerializationPolicy;
 
 /// A [`Dialect`] for [Snowflake](https://www.snowflake.com/)
 #[derive(Debug, Default)]