From f8b0e766d85289ef0c66be9e50f93c5258929c2f Mon Sep 17 00:00:00 2001
From: Tung Nguyen <tungtn3@gmail.com>
Date: Wed, 9 Mar 2016 00:26:57 +1100
Subject: [PATCH] Fix & instead of && in onbill()

It's obviously supposed to be the latter and not the former.

Interesting note: This same bug was found and fixed in NitroHack commit
4973ce4 (static checker day: fixes for scan-build and PVS warnings).
---
 src/shk.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/shk.c b/src/shk.c
index 6cf62f2c0..addf8aac7 100644
--- a/src/shk.c
+++ b/src/shk.c
@@ -859,7 +859,7 @@ boolean silent;
             } else
                 bp++;
     }
-    if (obj->unpaid & !silent)
+    if (obj->unpaid && !silent)
         pline("onbill: unpaid obj not on bill?");
     return (struct bill_x *) 0;
 }