Update flow.cpp

src/flow.cpp

@@ -56,7 +56,7 @@ namespace oxygine
         {
 			auto p = std::find(scenes.begin(), scenes.end(), scene);
 			if (p != scenes.end())			
-				log::error("you can't show scene '%s', it is already in the list", scene->getName());
+				log::error("you can't show scene '%s', it is already in the list", scene->getName().c_str());
 
 			OX_ASSERT(p == scenes.end());
             scene->_resultCB = cb;
@@ -252,4 +252,4 @@ namespace oxygine
             f->show(s, cb);
         }
     }
-}
+}