BUG: method prototype differs

Code/Visualization/otbRenderingFunction.h

@@ -116,7 +116,7 @@ public:
     itkExceptionMacro(<<"Subclasses should override this method");
   }
 
-  virtual void SetChannelList(std::vector<unsigned int> channels)
+  virtual void SetChannelList(std::vector<unsigned int>& channels)
   {
     itkExceptionMacro(<<"Subclasses should override this method");
   }