$OpenBSD: patch-gtk2_ardour_gain_meter_cc,v 1.1 2016/10/28 13:46:17 ajacoutot Exp $

From 65c2e089ab263c83bff7d2e945b80c53f80b749b Mon Sep 17 00:00:00 2001
From: Nils Philippsen <nils@tiptoe.de>
Date: Thu, 4 Aug 2016 09:48:47 +0200
Subject: [PATCH] workaround changes in glibmm 2.49.x

--- gtk2_ardour/gain_meter.cc.orig	Fri Oct 28 13:15:13 2016
+++ gtk2_ardour/gain_meter.cc	Fri Oct 28 13:15:59 2016
@@ -63,7 +63,7 @@ Glib::RefPtr<Gdk::Pixbuf> GainMeter::slider;
 void
 GainMeter::setup_slider_pix ()
 {
-	if ((slider = ::get_icon ("fader_belt")) == 0) {
+	if (! (slider = ::get_icon ("fader_belt"))) {
 		throw failed_constructor();
 	}
 }
