merged 2.2 branch

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@7748 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/gtk1/pen.cpp

@@ -100,12 +100,12 @@ wxPen& wxPen::operator = ( const wxPen& pen )
     return *this;
 }
 
-bool wxPen::operator == ( const wxPen& pen )
+bool wxPen::operator == ( const wxPen& pen ) const
 {
     return m_refData == pen.m_refData;
 }
 
-bool wxPen::operator != ( const wxPen& pen )
+bool wxPen::operator != ( const wxPen& pen ) const
 {
     return m_refData != pen.m_refData;
 }