[gnome-software] Fix possible double frees in new AsProfile code

[Kalev Lember <klember src gnome org>]

commit b64b403cbc90b3edf1e669d9bd39c83989dccd55
Author: Kalev Lember <klember redhat com>
Date:   Mon Sep 28 09:46:56 2015 +0200

    Fix possible double frees in new AsProfile code

 src/plugins/gs-plugin-packagekit-refine.c  |    2 +-
 src/plugins/gs-plugin-packagekit-refresh.c |    2 +-
 src/plugins/gs-plugin-packagekit.c         |    2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/src/plugins/gs-plugin-packagekit-refine.c b/src/plugins/gs-plugin-packagekit-refine.c
index 6344168..612d551 100644
--- a/src/plugins/gs-plugin-packagekit-refine.c
+++ b/src/plugins/gs-plugin-packagekit-refine.c
@@ -124,7 +124,7 @@ gs_plugin_packagekit_progress_cb (PkProgress *progress,
                plugin->priv->ptask = as_profile_start_literal (plugin->profile,
                                                                "packagekit-refine::transaction");
        } else if (status == PK_STATUS_ENUM_FINISHED) {
-               as_profile_task_free (plugin->priv->ptask);
+               g_clear_pointer (&plugin->priv->ptask, as_profile_task_free);
        }
 
        plugin_status = packagekit_status_enum_to_plugin_status (status);
diff --git a/src/plugins/gs-plugin-packagekit-refresh.c b/src/plugins/gs-plugin-packagekit-refresh.c
index b7aaf04..13f45b1 100644
--- a/src/plugins/gs-plugin-packagekit-refresh.c
+++ b/src/plugins/gs-plugin-packagekit-refresh.c
@@ -88,7 +88,7 @@ gs_plugin_packagekit_progress_cb (PkProgress *progress,
                plugin->priv->ptask = as_profile_start_literal (plugin->profile,
                                                                "packagekit-refresh::transaction");
        } else if (status == PK_STATUS_ENUM_FINISHED) {
-               as_profile_task_free (plugin->priv->ptask);
+               g_clear_pointer (&plugin->priv->ptask, as_profile_task_free);
        }
 
        plugin_status = packagekit_status_enum_to_plugin_status (status);
diff --git a/src/plugins/gs-plugin-packagekit.c b/src/plugins/gs-plugin-packagekit.c
index efeeee7..2987882 100644
--- a/src/plugins/gs-plugin-packagekit.c
+++ b/src/plugins/gs-plugin-packagekit.c
@@ -94,7 +94,7 @@ gs_plugin_packagekit_progress_cb (PkProgress *progress,
                        data->ptask = as_profile_start_literal (plugin->profile,
                                                "packagekit-refine::transaction");
                } else if (status == PK_STATUS_ENUM_FINISHED) {
-                       as_profile_task_free (data->ptask);
+                       g_clear_pointer (&data->ptask, as_profile_task_free);
                }
 
                plugin_status = packagekit_status_enum_to_plugin_status (status);