From 271d520e98169c3c5b2fe68353af610d3af548ff Mon Sep 17 00:00:00 2001
From: Davide Gerhard <rainbow@irh.it>
Date: Sat, 11 May 2019 16:55:39 +0200
Subject: [PATCH] fix abs c++ usage on valuedialz.cpp

---
 sdrgui/gui/valuedial.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/sdrgui/gui/valuedial.cpp b/sdrgui/gui/valuedial.cpp
index cf1f0e1a5..affd40088 100644
--- a/sdrgui/gui/valuedial.cpp
+++ b/sdrgui/gui/valuedial.cpp
@@ -21,6 +21,7 @@
 #include <QMouseEvent>
 #include <QPainter>
 #include <QWheelEvent>
+#include <cstdlib>
 
 #include "gui/valuedial.h"