From 9cdb65d5c7a9287190674e06d4d462b41fc8a8f2 Mon Sep 17 00:00:00 2001
From: Robert Osfield <robert@openscenegraph.com>
Date: Fri, 24 Jun 2016 10:09:59 +0100
Subject: [PATCH] Restructed to handle dyanmic_cast<> being NULL

---
 src/osgUI/PushButton.cpp | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/src/osgUI/PushButton.cpp b/src/osgUI/PushButton.cpp
index 4b70d17b8..cb83961ae 100644
--- a/src/osgUI/PushButton.cpp
+++ b/src/osgUI/PushButton.cpp
@@ -106,10 +106,12 @@ void PushButton::createGraphicsImplementation()
 
     // create label.
     osg::ref_ptr<Node> node = style->createText(extents, getAlignmentSettings(), getTextSettings(), _text);
-    _textDrawable = dynamic_cast<osgText::Text*>(node.get());
-    _textDrawable->setDataVariance(osg::Object::DYNAMIC);
 
-    group->addChild(_textDrawable.get());
+    _textDrawable = dynamic_cast<osgText::Text*>(node.get());
+
+    node->setDataVariance(osg::Object::DYNAMIC);
+
+    group->addChild(node.get());
 
     style->setupClipStateSet(_extents, getOrCreateWidgetStateSet());