get the kio to build (and works on suse12.2) + compiler warnings

src/query/dynconf.h

@@ -49,6 +49,7 @@
 /** Interface for a stored object. */
 class DynConfEntry {
  public:
+    virtual ~DynConfEntry() {}
     /** Decode object-as-string coming out from storage */
     virtual bool decode(const std::string &value) = 0;
     /** Encode object state into state for storing */
@@ -63,6 +64,7 @@ class RclSListEntry : public DynConfEntry {
     RclSListEntry() 
     {
     }
+    virtual ~RclSListEntry() {}
     RclSListEntry(const std::string& v) 
     : value(v) 
     {