From 3ddb38fe604a66c89bcfde23ac61eafdc661d95d Mon Sep 17 00:00:00 2001
From: Jabier Arraiza <jabier.arraiza@marker.es>
Date: Tue, 5 Dec 2017 00:15:35 +0100
Subject: Add sugested header by Eduard Braun to allow compiling

---
 src/ui/widget/scalar.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/ui/widget/scalar.cpp b/src/ui/widget/scalar.cpp
index a0f1354a3..1aab9550e 100644
--- a/src/ui/widget/scalar.cpp
+++ b/src/ui/widget/scalar.cpp
@@ -14,7 +14,7 @@
 # include <config.h>
 #endif
 
-
+#include <glibmm/signalproxy.h>
 #include "scalar.h"
 #include "spinbutton.h"
 #include <gtkmm/scale.h>
-- 
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