added virtual destructors to base classes

and bumped version to 0.4

Signed-off-by: Michael Krelin <hacker@klever.net>

1 files changed, 2 insertions, 0 deletions

diff --git a/include/opkele/server.h b/include/opkele/server.h
index e7e5bb3..dd7fc41 100644
--- a/include/opkele/server.h
+++ b/include/opkele/server.h
@@ -8,24 +8,26 @@
 
 #include <opkele/types.h>
 #include <opkele/extension.h>
 
 namespace opkele {
 
     /**
      * implementation of basic server functionality
      */
     class server_t {
         public:
 
+            virtual ~server_t() { }
+
             /**
              * allocate the new association. The function should be overridden
              * in the real implementation to provide persistent assocations
              * store.
              * @param mode the mode of request being processed to base the
              * statelessness of the association upon
              * @return the auto_ptr<> for the newly allocated association_t object
              */
             virtual assoc_t alloc_assoc(mode_t mode) = 0;
             /**
              * retrieve the association. The function should be overridden in
              * the reqal implementation to provide persistent assocations