[sysprof] zoom-manager: bring back attribute aligned(8)

[Christian Hergert <chergert src gnome org>]

commit faf1e24edf0cc77a1895b36ecb4228e1e66e21da
Author: Christian Hergert <chergert redhat com>
Date:   Thu Mar 2 15:51:52 2017 -0800

    zoom-manager: bring back attribute aligned(8)
    
    This was needed for some other architectures, even though it is problematic
    that we have to do it (it should really be the default for the parent
    GObject struct).

 lib/sp-zoom-manager.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/lib/sp-zoom-manager.c b/lib/sp-zoom-manager.c
index b7c5baf..9baab00 100644
--- a/lib/sp-zoom-manager.c
+++ b/lib/sp-zoom-manager.c
@@ -32,7 +32,7 @@ struct _SpZoomManager
   gdouble min_zoom;
   gdouble max_zoom;
   gdouble zoom;
-};
+} __attribute__((aligned(8)));
 
 enum {
   PROP_0,