[gnome-software/gnome-3-22] trivial: make GsApp slightly more threadsafe

[Kalev Lember <klember src gnome org>]

commit c9dc522db8c8f0ea651a1acfee1186b862887c3c
Author: Richard Hughes <richard hughsie com>
Date:   Tue Dec 6 14:49:15 2016 +0000

    trivial: make GsApp slightly more threadsafe

 src/gs-app.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/src/gs-app.c b/src/gs-app.c
index cf6a637..1167884 100644
--- a/src/gs-app.c
+++ b/src/gs-app.c
@@ -2637,6 +2637,7 @@ gs_app_add_addon (GsApp *app, GsApp *addon)
 {
        gpointer found;
        const gchar *id;
+       g_autoptr(GMutexLocker) locker = g_mutex_locker_new (&app->mutex);
 
        g_return_if_fail (GS_IS_APP (app));
        g_return_if_fail (GS_IS_APP (addon));
@@ -2681,6 +2682,7 @@ gs_app_add_related (GsApp *app, GsApp *app2)
 {
        gchar *key;
        gpointer found;
+       g_autoptr(GMutexLocker) locker = g_mutex_locker_new (&app->mutex);
 
        g_return_if_fail (GS_IS_APP (app));
 
@@ -2733,6 +2735,7 @@ gs_app_get_history (GsApp *app)
 void
 gs_app_add_history (GsApp *app, GsApp *app2)
 {
+       g_autoptr(GMutexLocker) locker = g_mutex_locker_new (&app->mutex);
        g_return_if_fail (GS_IS_APP (app));
        g_ptr_array_add (app->history, g_object_ref (app2));
 }