From ef1419d66e8d0117a042b3abda043bd3c140f7c8 Mon Sep 17 00:00:00 2001
From: f4exb <f4exb06@gmail.com>
Date: Tue, 2 Mar 2021 08:49:40 +0100
Subject: [PATCH] Spectrum Vis: initialize pointer to GUI. Fixes #790

---
 sdrbase/dsp/spectrumvis.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/sdrbase/dsp/spectrumvis.cpp b/sdrbase/dsp/spectrumvis.cpp
index fd22bce99..bace59666 100644
--- a/sdrbase/dsp/spectrumvis.cpp
+++ b/sdrbase/dsp/spectrumvis.cpp
@@ -67,6 +67,7 @@ SpectrumVis::SpectrumVis(Real scalef) :
     m_sampleRate(48000),
 	m_ofs(0),
     m_powFFTDiv(1.0),
+    m_guiMessageQueue(nullptr),
 	m_mutex(QMutex::Recursive)
 {
 	setObjectName("SpectrumVis");