--- a/terraform_gui.c	Sat Jan 22 19:41:30 2005 +0000
+++ b/terraform_gui.c	Sat Jan 22 20:23:18 2005 +0000
@@ -209,7 +209,7 @@
 
 
 
-void ShowTerraformToolbar()
+void ShowTerraformToolbar(void)
 {
 	if (_current_player == OWNER_SPECTATOR) return;
 	AllocateWindowDescFront(&_terraform_desc, 0);