[HOTFIX] Make inteface compatible to method definition

Author: jgrehling

library/Zend/Session/SaveHandler/Interface.php

@@ -39,7 +39,7 @@ interface Zend_Session_SaveHandler_Interface
      * @param string $save_path
      * @param string $name
      */
-    public function open($save_path, $name);
+    public function open(string $save_path, string $name);
 
     /**
      * Close Session - free resources
@@ -52,15 +52,15 @@ public function close();
      *
      * @param string $id
      */
-    public function read($id);
+    public function read(string $id);
 
     /**
      * Write Session - commit data to resource
      *
      * @param string $id
      * @param mixed $data
      */
-    public function write($id, $data);
+    public function write(string $id, string $data);
 
     /**
      * Destroy Session - remove data from resource for
@@ -76,5 +76,5 @@ public function destroy($id);
      *
      * @param int $maxlifetime
      */
-    public function gc($maxlifetime);
+    public function gc(int $maxlifetime);
 }