diff -r 05ba93066194 -r a7b6f987d269 src/radioGroup.cpp
--- a/src/radioGroup.cpp	Sun Sep 06 03:00:28 2015 +0300
+++ b/src/radioGroup.cpp	Sun Sep 06 03:10:03 2015 +0300
@@ -57,7 +57,7 @@
 
 	m_buttonGroup = new QButtonGroup;
 	m_oldId = m_curId = 0;
-	m_coreLayout = null;
+	m_coreLayout = nullptr;
 
 	m_coreLayout = new QBoxLayout ( (orient == Qt::Vertical) ? QBoxLayout::LeftToRight : QBoxLayout::TopToBottom);
 	setLayout (m_coreLayout);