Use RealFileName for Session::working_dir as it may also be remapped
Use RealFileName for Session::working_dir as it may also be remapped

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