Public inheritance for CSignal

src/shogun/lib/Signal.h

@@ -34,7 +34,7 @@ namespace shogun
 	 *  option bewteen: immediately exit the running method and fall back to
 	 *  the command line, prematurely stop the current algoritmh and do nothing.
 	 */
-	class CSignal : CSGObject
+	class CSignal : public CSGObject
 	{
 	public:
 		typedef rxcpp::subjects::subject<int> SGSubjectS;