Merge branch 'master' of git://gitorious.org/fg/simgear into fredb/winbuild

[simgear.git] / simgear / structure / SGReferenced.hxx

diff --git a/simgear/structure/SGReferenced.hxx b/simgear/structure/SGReferenced.hxx
index 003536a39fd542191e36819c0ee62c1212ba4414..6a3038f3576494619e6590144ce3d638d547be31 100644 (file)
--- a/simgear/structure/SGReferenced.hxx
+++ b/simgear/structure/SGReferenced.hxx
@@ -14,13 +14,15 @@
  *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  *
  */
 
 #ifndef SGReferenced_HXX
 #define SGReferenced_HXX
 
+#include "SGAtomic.hxx"
+
 /// Base class for all reference counted SimGear objects
 /// Classes derived from this one are meant to be managed with
 /// the SGSharedPtr class.
@@ -47,7 +49,7 @@ public:
   { if (ref) return 1u < ref->_refcount; else return false; }
 
 private:
-  mutable unsigned _refcount;
+  mutable SGAtomic _refcount;
 };
 
 #endif