[gnome-builder] workbench: short-circuit if we race to unload

[Christian Hergert <chergert src gnome org>]

commit 37793fa843fcd999f28aacdccd46c85018c1153a
Author: Christian Hergert <chergert redhat com>
Date:   Wed Aug 8 13:22:15 2018 -0700

    workbench: short-circuit if we race to unload

 src/libide/workbench/ide-workbench.c | 3 +++
 1 file changed, 3 insertions(+)
---
diff --git a/src/libide/workbench/ide-workbench.c b/src/libide/workbench/ide-workbench.c
index 391d79fab..2d076fb4c 100644
--- a/src/libide/workbench/ide-workbench.c
+++ b/src/libide/workbench/ide-workbench.c
@@ -681,6 +681,9 @@ ide_workbench_set_context (IdeWorkbench *self,
   g_return_if_fail (IDE_IS_CONTEXT (context));
   g_return_if_fail (self->context == NULL);
 
+  if (self->unloading)
+    IDE_EXIT;
+
   g_set_object (&self->context, context);
 
   project = ide_context_get_project (context);