Auto merge of #4685 - HMPerson1:patch-1, r=Manishearth
Auto merge of #4685 - HMPerson1:patch-1, r=Manishearth

Update adding_lints.md

changelog: none

aidancully/rust,aidancully/rust,graydon/rust,graydon/rust,aidancully/rust,graydon/rust,graydon/rust,aidancully/rust,aidancully/rust,aidancully/rust,graydon/rust,graydon/rust