[mutter] monitor-config-migration: Clean up properly when deriving

[Jonas Ådahl <jadahl src gnome org>]

commit 4ab47e72e54cd18c2097a64c781c427a9582c346
Author: Jonas Ådahl <jadahl gmail com>
Date:   Mon Sep 11 11:13:30 2017 +0800

    monitor-config-migration: Clean up properly when deriving
    
    We cleaned up an unused monitor config list, but what we should do is
    clear up the logical monitor config list. This commit does that, as
    well as removes the unused monitor config list.

 src/backends/meta-monitor-config-migration.c |    9 ++++-----
 1 files changed, 4 insertions(+), 5 deletions(-)
---
diff --git a/src/backends/meta-monitor-config-migration.c b/src/backends/meta-monitor-config-migration.c
index b3f2111..b449546 100644
--- a/src/backends/meta-monitor-config-migration.c
+++ b/src/backends/meta-monitor-config-migration.c
@@ -949,7 +949,6 @@ derive_logical_monitor_configs (MetaLegacyMonitorsConfig *config,
                                 GError                  **error)
 {
   GList *logical_monitor_configs = NULL;
-  GList *monitor_configs = NULL;
   unsigned int i;
 
   for (i = 0; i < config->n_outputs; i++)
@@ -994,8 +993,8 @@ derive_logical_monitor_configs (MetaLegacyMonitorsConfig *config,
                 }
               else
                 {
-                  g_list_free_full (monitor_configs,
-                                    (GDestroyNotify) meta_monitor_config_free);
+                  g_list_free_full (logical_monitor_configs,
+                                    (GDestroyNotify) meta_logical_monitor_config_free);
                   return NULL;
                 }
             }
@@ -1008,8 +1007,8 @@ derive_logical_monitor_configs (MetaLegacyMonitorsConfig *config,
 
       if (!monitor_config)
         {
-          g_list_free_full (monitor_configs,
-                            (GDestroyNotify) meta_monitor_config_free);
+          g_list_free_full (logical_monitor_configs,
+                            (GDestroyNotify) meta_logical_monitor_config_free);
           return NULL;
         }