KERNEL-12408:base中eslint的修改

src/base/single/input/file.js

@@ -114,7 +114,7 @@
                         handler.onerror();
                     }
                     
-return;
+                return;
                 }
                 for (var
                          xhr = new XMLHttpRequest,
@@ -246,7 +246,7 @@ return;
                     xhr.send(form);
                 }
                 
-return handler;
+                return handler;
             };
         } else {
             // Internet Explorer, Opera, others
@@ -354,7 +354,7 @@ return handler;
         }
         xhr = null;
         
-return sendFile;
+        return sendFile;
     }(Object.prototype.toString));
 
     function sendFiles(handler, maxSize, width, height) {