Index: ext/libicpf/src/libicpf/config_base.h
===================================================================
diff -u -N -re31dc31ccf2010abee81ddc399d65b57e4803278 -r2d8fffbc4670dcd33dd391e61c0f3ef507307bfa
--- ext/libicpf/src/libicpf/config_base.h	(.../config_base.h)	(revision e31dc31ccf2010abee81ddc399d65b57e4803278)
+++ ext/libicpf/src/libicpf/config_base.h	(.../config_base.h)	(revision 2d8fffbc4670dcd33dd391e61c0f3ef507307bfa)
@@ -46,6 +46,8 @@
 	};
 
 public:
+	virtual ~config_base() {}
+
 /** \name File operations */
 /**@{*/
 	/// Reads the xml document from the specified file