[evolution/vfolder-prep] Fix a crash where the list wasn't freed and crash on exit.

[Srinivasa Ragavan <sragavan src gnome org>]

commit c992a830975f2e982608d4d0175fe746559095e3
Author: Srinivasa Ragavan <sragavan gnome org>
Date:   Fri Mar 2 15:34:17 2012 +0530

    Fix a crash where the list wasn't freed and crash on exit.

 filter/e-rule-context.c |    8 ++++++--
 1 files changed, 6 insertions(+), 2 deletions(-)
---
diff --git a/filter/e-rule-context.c b/filter/e-rule-context.c
index 175e885..0e2bbdc 100644
--- a/filter/e-rule-context.c
+++ b/filter/e-rule-context.c
@@ -582,8 +582,10 @@ e_rule_context_add_part_set (ERuleContext *context,
 	g_return_if_fail (append != NULL);
 	g_return_if_fail (next != NULL);
 
-	if ((map = g_hash_table_lookup (context->part_set_map, setname)) != NULL) {
+	map = g_hash_table_lookup (context->part_set_map, setname);
+	if (map != NULL) {
 		g_hash_table_remove (context->part_set_map, setname);
+		context->part_set_list = g_list_remove (context->part_set_list, map);
 		free_part_set (map);
 		map = NULL;
 	}
@@ -611,8 +613,10 @@ e_rule_context_add_rule_set (ERuleContext *context,
 	g_return_if_fail (append != NULL);
 	g_return_if_fail (next != NULL);
 
-	if ((map = g_hash_table_lookup (context->rule_set_map, setname)) != NULL) {
+	map = g_hash_table_lookup (context->rule_set_map, setname);
+	if (map != NULL) {
 		g_hash_table_remove (context->rule_set_map, setname);
+		context->rule_set_list = g_list_remove (context->rule_set_list, map);
 		free_rule_set (map);
 		map = NULL;
 	}