formatting

src/wire/mod.rs

@@ -253,7 +253,7 @@ pub use self::dhcpv4::{
 #[cfg(feature = "proto-dns")]
 pub use self::dns::{
     Flags as DnsFlags, Opcode as DnsOpCode, Packet as DnsPacket, Repr as DnsRepr,
-    Type as DnsQueryType
+    Type as DnsQueryType,
 };
 
 /// Parsing a packet failed.