rustup-init.sh: Update for 1.18.1

Signed-off-by: Daniel Silverstone <[email protected]>

Author: kinnison

rustup-init.sh

@@ -12,7 +12,7 @@ RUSTUP_UPDATE_ROOT="${RUSTUP_UPDATE_ROOT:-https://static.rust-lang.org/rustup}"
 #XXX: If you change anything here, please make the same changes in setup_mode.rs
 usage() {
     cat 1>&2 <<EOF
-rustup-init 1.18.0 (bb84b5d85 2019-04-22)
+rustup-init 1.18.1 (85a810d66 2019-04-25)
 The installer for rustup
 
 USAGE: