[gnome-builder] view-stack: ignore requests to set active view after destroy

[Christian Hergert <chergert src gnome org>]

commit 70eabc0f5078b7b9b95f7ebfc64a746386f5ed83
Author: Christian Hergert <christian hergert me>
Date:   Sun May 3 12:19:08 2015 -0700

    view-stack: ignore requests to set active view after destroy
    
    If we are already in a destroy procedure, ignore any request to change
    the active view, as there isn't anything we can do.

 src/views/gb-view-stack.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/src/views/gb-view-stack.c b/src/views/gb-view-stack.c
index f524cb4..f179e57 100644
--- a/src/views/gb-view-stack.c
+++ b/src/views/gb-view-stack.c
@@ -588,6 +588,9 @@ gb_view_stack_set_active_view (GbViewStack *self,
   g_return_if_fail (GB_IS_VIEW_STACK (self));
   g_return_if_fail (!active_view || GB_IS_VIEW (active_view));
 
+  if (self->destroyed)
+    return;
+
   if (self->active_view != active_view)
     {
       if (self->active_view)