remove extra space from "over" code as well

dcampbell24 · jooert · commit 31a007af1964 · 2015-05-29T01:02:24.000+02:00
diff --git a/src/doc/style/features/let.md b/src/doc/style/features/let.md
@@ -44,7 +44,7 @@ over
 ```rust
 let foo;
 match bar {
-    Baz  => {
+    Baz => {
         foo = 0;
     }
     Quux => {
