From 126f9f57cd9473188ba3da7c504295e44b7b8d2c Mon Sep 17 00:00:00 2001
From: def <dennis@felsin9.de>
Date: Fri, 23 Jan 2015 01:51:09 +0100
Subject: [PATCH] setControlCHook's parameter is not nil now

---
 lib/system.nim | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/system.nim b/lib/system.nim
index 57d92b28e1..69a77b89b6 100644
--- a/lib/system.nim
+++ b/lib/system.nim
@@ -2509,7 +2509,7 @@ when not defined(JS): #and not defined(NimrodVM):
     initGC()
 
   when not defined(NimrodVM):
-    proc setControlCHook*(hook: proc () {.noconv.})
+    proc setControlCHook*(hook: proc () {.noconv.} not nil)
       ## allows you to override the behaviour of your application when CTRL+C
       ## is pressed. Only one such hook is supported.