rostermanager: Add missing import of `type()`

diff --git a/core/rostermanager.lua b/core/rostermanager.lua
index 7e165c2780d1c83137b6230ad44b9595a110ffd6..b39e53230b2bb97c8ec14de1a819b149917df430 100644 (file)
--- a/core/rostermanager.lua
+++ b/core/rostermanager.lua
@@ -13,6 +13,7 @@ local log = require "util.logger".init("rostermanager");
 
 local pairs = pairs;
 local tostring = tostring;
+local type = type;
 
 local hosts = hosts;
 local bare_sessions = prosody.bare_sessions;