From e33e6981d46207ec8123b4bae62540783f211949 Mon Sep 17 00:00:00 2001
From: Oliver Hamlet <oliver.hamlet@gmail.com>
Date: Mon, 13 Jul 2015 15:39:18 +0100
Subject: [PATCH] Clear any existing sorting data before sorting.

---
 src/backend/plugin_sorter.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/backend/plugin_sorter.cpp b/src/backend/plugin_sorter.cpp
index 19a0b520..02954202 100644
--- a/src/backend/plugin_sorter.cpp
+++ b/src/backend/plugin_sorter.cpp
@@ -97,6 +97,11 @@ namespace loot {
     std::list<Plugin> PluginSorter::Sort(Game& game,
                                          const unsigned int language,
                                          std::function<void(const std::string&)> progressCallback) {
+        // Clear existing data.
+        graph.clear();
+        indexMap.clear();
+        oldLoadOrder.clear();
+
         progressCallback(boost::locale::translate("Building plugin graph..."));
         BuildPluginGraph(game, language);