$NetBSD: patch-bh,v 1.2 2015/12/29 23:34:52 dholland Exp $

Add error declaration to support patch-bg.

--- runerr.h.orig	2005-03-11 09:28:59.000000000 +0100
+++ runerr.h
@@ -40,3 +40,4 @@ RUNERR(E_CCNV,41,"illegal conversion: ch
 RUNERR(E_BCNV,42,"illegal conversion: bool(\"%S\")")
 RUNERR(E_ICNV,43,"illegal conversion: int(\"%S\")")
 RUNERR(E_RCNV,44,"illegal conversion: real(\"%S\")")
+RUNERR(E_PCNV,45,"illegal conversion: pointer(\"%S\")")