fix #96(5)/judge/se: refactor clientid and accesstoken field names

Author: ndrwnaguib

judge/sphere_engine/lib.php

@@ -101,8 +101,8 @@ function judge() {
 
         $task = &$this->task;
 
-        $endpoint = $task->var1;
-        $accesstoken = $task->var2;
+        $endpoint = $task->clientid;
+        $accesstoken = $task->accesstoken;
 
         // create client.
         $client = new CompilersClientV4($accesstoken, $endpoint);
@@ -189,4 +189,4 @@ function judge() {
     }
 
 
-}
+}