[gnome-software] trivial: Fix invalid use of autoptr with install/remove auth

[Robert Ancell <rancell src gnome org>]

commit 348f8f402baadf7ca48fcd202ef55794d82fbb4f
Author: Robert Ancell <robert ancell canonical com>
Date:   Mon Jul 4 13:26:04 2016 +1200

    trivial: Fix invalid use of autoptr with install/remove auth

 src/gs-page.c |    6 ++----
 1 files changed, 2 insertions(+), 4 deletions(-)
---
diff --git a/src/gs-page.c b/src/gs-page.c
index e7d0ebc..7cd7de4 100644
--- a/src/gs-page.c
+++ b/src/gs-page.c
@@ -141,13 +141,12 @@ gs_page_app_installed_cb (GObject *source,
                                                     &error_local);
                        if (dialog == NULL) {
                                g_warning ("%s", error_local->message);
-                               gs_page_helper_free (helper);
                                return;
                        }
                        gs_shell_modal_dialog_present (priv->shell, GTK_DIALOG (dialog));
                        g_signal_connect (dialog, "response",
                                          G_CALLBACK (gs_page_install_authenticate_cb),
-                                         helper);
+                                         g_steal_pointer (&helper));
                        return;
                }
 
@@ -212,13 +211,12 @@ gs_page_app_removed_cb (GObject *source,
                                                     &error_local);
                        if (dialog == NULL) {
                                g_warning ("%s", error_local->message);
-                               gs_page_helper_free (helper);
                                return;
                        }
                        gs_shell_modal_dialog_present (priv->shell, GTK_DIALOG (dialog));
                        g_signal_connect (dialog, "response",
                                          G_CALLBACK (gs_page_remove_authenticate_cb),
-                                         helper);
+                                         g_steal_pointer (&helper));
                        return;
                }