Merge pull request #307 from Bunogi/master

Add `await` to list of keywords

Author: nikomatsakis

rust-mode.el

@@ -533,7 +533,7 @@ buffer."
 
 ;; Font-locking definitions and helpers
 (defconst rust-mode-keywords
-  '("as" "async"
+  '("as" "async" "await"
     "box" "break"
     "const" "continue" "crate"
     "do" "dyn"