remove extra space from "over" code as well

dcampbell24 · dcampbell24 · commit 17f35a68002b · 2015-03-30T18:35:17.000-04:00
diff --git a/features/let.md b/features/let.md
@@ -44,7 +44,7 @@ over
 ```rust
 let foo;
 match bar {
-    Baz  => {
+    Baz => {
         foo = 0;
     }
     Quux => {
