Add virtual destructor to SGReferenced.

2012-04-21 20:50:07 +02:00
parent 4b607d6484
commit 4abcf3215f
1 changed files with 2 additions and 0 deletions
--- a/simgear/structure/SGReferenced.hxx
+++ b/simgear/structure/SGReferenced.hxx
@@ -32,6 +32,8 @@ class SGReferenced {
 public:
  SGReferenced(void) : _refcount(0u)
  {}
+  virtual ~SGReferenced()
+  {}
  /// Do not copy reference counts. Each new object has it's own counter
  SGReferenced(const SGReferenced&) : _refcount(0u)
  {}