Index: openttd-opengfx-0.2.4/Makefile.local
===================================================================
--- openttd-opengfx-0.2.4.orig/Makefile.local	2010-05-21 23:11:55.000000000 +0200
+++ openttd-opengfx-0.2.4/Makefile.local	2010-06-28 23:39:18.000000000 +0200
@@ -46,7 +46,7 @@
 # Programme definitions / search paths
 ################################################################
 # Build parameters and programmes
-# NFORENUM_FLAGS =
+NFORENUM_FLAGS = -D.
 # GRFCODEC_FLAGS = -e -p 2 -c
 # TAR_FLAGS      = -cf 
 # ZIP_FLAGS      = -r
