fix undefined if searchstring is empty

src/inc/routes/search.mjs

@@ -36,7 +36,6 @@ export default (router, tpl) => {
         result: ret,
         totals: await lib.countf0cks(),
         searchstring: tag,
-        session: req.session,
         tmp: null
       }, req)
     });

views/search.html

@@ -1,7 +1,7 @@
 @include(snippets/header)
 <h1 style="text-align: center">f0ckgle</h1>
 <form action="/search" class="admin-search">
-  <input type="text" name="tag" value="{!! searchstring !!}" /><button type="submit"><b>f0ck</b></button>
+  <input type="text" name="tag" value="{!! searchstring || '' !!}" /><button type="submit"><b>f0ck</b></button>
 </form>
 <div class="results">
   @if(result)