Minor cleanup
Minor cleanup

erickt/serde,jmesmon/serde,csmulhern/serde,skade/serde,Ticki/serde,thorbenk/serde,eefriedman/serde,Hoverbear/serde,sidred10/serde,tempbottle/serde,Byron/serde,3Hren/serde,pcwalton/serde,infinityb/serde,serde-rs/serde,JohnHeitmann/serde,oli-obk/rust-serde