Replaced ref_ptr<>:take with ref_ptr<>:release, and added handling of removeal

of ref_ptr<> operator >.

src/osgFX/BumpMapping.cpp

@@ -108,7 +108,7 @@ namespace
 
                 tc->push_back(uv * scale);
             }
-            return tc.take();
+            return tc.release();
         }
 
     private: