Merge pull request airbnb#99 from ultimatedelman/master

[functions] define var in example at the top

Author: hshoff

README.md

@@ -295,8 +295,9 @@
     }
 
     // good
+    var test;
     if (currentUser) {
-      var test = function test() {
+      test = function test() {
         console.log('Yup.');
       };
     }