lint: Teach luacheck about the new module:send_iq API

author: Kim Alvefur <zash@zash.se>
date: Wed, 02 Jan 2019 10:49:43 +0100
parent: 2906:d9603b555be2
child: 3523:68beaf7fd7d6
--- a/.luacheckrc	Mon Dec 31 09:43:29 2018 +0100
+++ b/.luacheckrc	Wed Jan 02 10:49:43 2019 +0100
@@ -57,6 +57,7 @@
 	"module.remove_item",
 	"module.require",
 	"module.send",
+	"module.send_iq",
 	"module.set_global",
 	"module.shared",
 	"module.unhook",