Do not remove the plugin from the list if the ref count has not reached

zero, otherwise we leak these plugins, since the ref counting is based
on the plugin still being in the list.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@25792 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/kits/media/PluginManager.cpp

@@ -239,8 +239,8 @@ PluginManager::PutPlugin(MediaPlugin *plugin)
 			if (pinfo->usecount == 0) {
 				delete pinfo->plugin;
 				unload_add_on(pinfo->image);
+				fPluginList->RemoveCurrent();
 			}
-			fPluginList->RemoveCurrent();
 			fLocker->Unlock();
 			return;
 		}