From c60bad2d19f4fcf6340af359c4f2fd26137fa18e Mon Sep 17 00:00:00 2001
From: isn <isn@opencascade.com>
Date: Fri, 5 Apr 2019 21:40:33 +0300
Subject: [PATCH] crash on exit (release mode)

---
 src/HYDROGUI/HYDROGUI_Overview.cxx | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/HYDROGUI/HYDROGUI_Overview.cxx b/src/HYDROGUI/HYDROGUI_Overview.cxx
index 4b15a6b1..163d48df 100644
--- a/src/HYDROGUI/HYDROGUI_Overview.cxx
+++ b/src/HYDROGUI/HYDROGUI_Overview.cxx
@@ -311,7 +311,10 @@ OCCViewer_ViewPort3d* HYDROGUI_Overview::getViewPort( bool isMain ) const
 {
   if ( isMain) 
   {
-    myMainView ? myMainView->getViewPort() : NULL;
+    if (myMainView!=NULL)
+      return myMainView->getViewPort();
+    else
+      return NULL;
   }
   else
     return myViewPort;
-- 
2.39.2