[gnome-builder] workbench: log context unload errors to console

[Christian Hergert <chergert src gnome org>]

commit d75518dc380b1246d1d884c54ad13b53b3e60848
Author: Christian Hergert <chergert redhat com>
Date:   Mon Nov 13 01:55:04 2017 -0800

    workbench: log context unload errors to console

 src/libide/workbench/ide-workbench.c |    8 ++++++--
 1 files changed, 6 insertions(+), 2 deletions(-)
---
diff --git a/src/libide/workbench/ide-workbench.c b/src/libide/workbench/ide-workbench.c
index d4b5e78..e9385ae 100644
--- a/src/libide/workbench/ide-workbench.c
+++ b/src/libide/workbench/ide-workbench.c
@@ -96,14 +96,18 @@ ide_workbench_unload_cb (GObject      *object,
                          GAsyncResult *result,
                          gpointer      user_data)
 {
-  g_autoptr(IdeWorkbench) self = user_data;
   IdeContext *context = (IdeContext *)object;
+  g_autoptr(IdeWorkbench) self = user_data;
+  g_autoptr(GError) error = NULL;
 
   g_return_if_fail (IDE_IS_WORKBENCH (self));
 
-  ide_context_unload_finish (context, result, NULL);
+  if (!ide_context_unload_finish (context, result, &error))
+    g_warning ("Failed to unload context: %s", error->message);
 
   gtk_widget_destroy (GTK_WIDGET (self));
+
+  g_clear_object (&self->context);
 }
 
 static gboolean