eslint: add no-shadow

src/directoryserver.js

@@ -145,12 +145,12 @@ function finalSend(results, req, res, next) {
         }
     });
 
-    function sendPagedResults(start, end) {
-        start = (start < min) ? min : start;
+    function sendPagedResults(pageStart, end) {
+        pageStart = (pageStart < min) ? min : pageStart;
         end = (end > max || end < min) ? max : end;
         let i;
 
-        for (i = start; i < end; i++) {
+        for (i = pageStart; i < end; i++) {
             res.send(results[i]);
         }