From 977c619fad95918678412082f4f2be06b7ae91fc Mon Sep 17 00:00:00 2001
From: Manuel Simon Hirsig <simon.hirsig@gmail.com>
Date: Sat, 15 Oct 2016 00:11:30 +0200
Subject: [PATCH] refactoring

---
 npcscan.lua | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

diff --git a/npcscan.lua b/npcscan.lua
index 9332327..8c69bdd 100644
--- a/npcscan.lua
+++ b/npcscan.lua
@@ -9,11 +9,14 @@ local CHECK_INTERVAL = .1
 
 npcscan_targets = {}
 
-function npcscan.without_errors(f)
-    local orig = UIErrorsFrame.AddMessage
-    UIErrorsFrame.AddMessage = function() end
-    f()
-    UIErrorsFrame.AddMessage = orig
+do 
+	local nop = function() end
+	function npcscan.without_errors(f)
+	    local orig = UIErrorsFrame.AddMessage
+	    UIErrorsFrame.AddMessage = nop
+	    f()
+	    UIErrorsFrame.AddMessage = orig
+	end
 end
 
 do