--- a/industry_cmd.c	Thu Nov 04 18:41:39 2004 +0000
+++ b/industry_cmd.c	Fri Nov 05 23:12:33 2004 +0000
@@ -8,6 +8,7 @@
 #include "news.h"
 #include "saveload.h"
 #include "economy.h"
+#include "sound.h"
 
 byte _industry_sound_ctr;
 TileIndex _industry_sound_tile;