From 9473e823edcab3cf1d79b200ba791d734ebc67ac Mon Sep 17 00:00:00 2001
From: Cary R <cygcary@yahoo.com>
Date: Mon, 9 Mar 2009 18:05:54 -0700
Subject: [PATCH] You must assert a logical not NULL.

This fixes a small problem where an assert was being called
with NULL instead of 0.
(cherry picked from commit ac4cb1bbe9b3df1577a8b6a4b752fdbeb93eb9fa)
---
 netlist.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/netlist.cc b/netlist.cc
index a3106e796..6ec49d43b 100644
--- a/netlist.cc
+++ b/netlist.cc
@@ -229,7 +229,7 @@ const Link& NetPins::pin(unsigned idx) const
       if (!pins_ && !disable_virtual_pins) {
 	    cerr << get_fileline() << ": internal error: pin is unexpectedly"
 	      " virtual, try again with -pDISABLE_VIRTUAL_PINS=true" << endl;
-	    assert(NULL);
+	    assert(0);
       }
       assert(pins_);
       assert(idx < npins_);