From e3f183e16dcb72c23c52616021341a4d7dd61507 Mon Sep 17 00:00:00 2001
From: Jonathan Worthington <jnthn@jnthn.net>
Date: Tue, 2 Mar 2010 17:50:02 +0100
Subject: [PATCH] Don't crash in use if we don't find a namespace with a
 matching name.

---
 src/cheats/use.pir | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/cheats/use.pir b/src/cheats/use.pir
index 68728f14585..8700d454e64 100644
--- a/src/cheats/use.pir
+++ b/src/cheats/use.pir
@@ -15,6 +15,7 @@
     push $P0, 'EXPORT'
     push $P0, 'DEFAULT'
     exportns  = get_hll_namespace $P0
+    if null exportns goto export_done
     exportns_it = iter exportns
   export_loop:
     unless exportns_it goto export_done