$NetBSD$

--- w_intersect.c.orig	2009-06-05 21:22:32.000000000 +0200
+++ w_intersect.c
@@ -26,7 +26,6 @@
 #include "w_msgpanel.h"
 #include "f_util.h"
 #include "u_quartic.h"
-#include <alloca.h>
 #include <math.h>
 #undef I
   
