$NetBSD$

The patches patch-al upto patch-aq add the physical constants k, q, e0,
mu0, and c.

--- constant.h.orig	Thu Apr  4 05:46:11 2002
+++ constant.h	Fri Oct  7 14:24:25 2005
@@ -22,6 +22,11 @@ Foundation, Inc., 59 Temple Place - Suit
 #ifndef __CONSTANT_H
 #define __CONSTANT_H
 
+extern Real *realBoltzmann;
+extern Real *realCharge;
+extern Real *realE0;
+extern Real *realMu0;
+extern Real *realLightSpeed;
 extern Real *realPi;
 extern Real *realPi2;
 extern Real *realZero;
