From 7b4504e34f2c6b235b5e1f8dbc2682bd8ccdfdd8 Mon Sep 17 00:00:00 2001
From: Lawrence Lee <billee@ucdavis.edu>
Date: Fri, 12 Jun 2020 10:49:11 -0700
Subject: [PATCH] Add pointer initializer to avoid segfaults

PerspCorrection::metadata was not initialized, which could cause a
segfault.
---
 rtgui/perspective.cc | 1 +
 1 file changed, 1 insertion(+)

diff --git a/rtgui/perspective.cc b/rtgui/perspective.cc
index 0607a7604..bdba2dcc1 100644
--- a/rtgui/perspective.cc
+++ b/rtgui/perspective.cc
@@ -38,6 +38,7 @@ PerspCorrection::PerspCorrection () : FoldableToolPanel(this, "perspective", M("
     EvPerspProjRotate = mapper->newEvent(TRANSFORM, "HISTORY_MSG_PERSP_PROJ_ROTATE");
     EvPerspProjShift = mapper->newEvent(TRANSFORM, "HISTORY_MSG_PERSP_PROJ_SHIFT");
     lens_geom_listener = nullptr;
+    metadata = nullptr;
 
     Gtk::Image* ipersHL =   Gtk::manage (new RTImage ("perspective-horizontal-left-small.png"));
     Gtk::Image* ipersHR =   Gtk::manage (new RTImage ("perspective-horizontal-right-small.png"));