# HG changeset patch
# User Darkvater
# Date 1154347820 0
# Node ID 9c4cb00a88fc523c20f0912a848fae7c93839df2
# Parent  250f5564fcae4a433d605008b07426b12c0bf143
(svn r5672) - Backport from trunk (r5652):
  Industry production change button doesn't work for oilrig passangers.

diff -r 250f5564fcae -r 9c4cb00a88fc industry_gui.c
--- a/industry_gui.c	Mon Jul 31 12:08:08 2006 +0000
+++ b/industry_gui.c	Mon Jul 31 12:10:20 2006 +0000
@@ -345,7 +345,7 @@
 
 			x = e->click.pt.x;
 			line = (e->click.pt.y - 127) / 10;
-			if (e->click.pt.y >= 127 && IS_INT_INSIDE(line, 0, 2) && i->produced_cargo[line]) {
+			if (e->click.pt.y >= 127 && IS_INT_INSIDE(line, 0, 2) && i->produced_cargo[line] != CT_INVALID) {
 				if (IS_INT_INSIDE(x, 5, 25) ) {
 					// clicked buttons
 					if (x < 15) {