$NetBSD$

Allow to install our prefix.

--- hints/haiku.sh.orig	2010-04-26 08:09:20.000000000 +0000
+++ hints/haiku.sh
@@ -3,3 +3,5 @@
 
-prefix="/boot/common"
+case "$prefix" in
+'') prefix="/boot/common" ;;
+esac
 
