[gnome-builder] editor-view: be more defensive against ::destroy

[Christian Hergert <chergert src gnome org>]

commit ed5000afb94eb69c399f109f5ea23ae1a0f54084
Author: Christian Hergert <chergert redhat com>
Date:   Tue Nov 14 15:39:07 2017 -0800

    editor-view: be more defensive against ::destroy
    
    We might be in destroy when these code paths hit, so we should try to be
    more careful about using the progress bar.

 src/libide/editor/ide-editor-view-actions.c |    6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)
---
diff --git a/src/libide/editor/ide-editor-view-actions.c b/src/libide/editor/ide-editor-view-actions.c
index 64c4c10..e76558e 100644
--- a/src/libide/editor/ide-editor-view-actions.c
+++ b/src/libide/editor/ide-editor-view-actions.c
@@ -45,7 +45,8 @@ ide_editor_view_actions_reload_cb (GObject      *object,
   g_assert (G_IS_ASYNC_RESULT (result));
   g_assert (IDE_IS_EDITOR_VIEW (self));
 
-  dzl_gtk_widget_hide_with_fade (GTK_WIDGET (self->progress_bar));
+  if (self->progress_bar != NULL)
+    dzl_gtk_widget_hide_with_fade (GTK_WIDGET (self->progress_bar));
 
   if (!(buffer = ide_buffer_manager_load_file_finish (buffer_manager, result, &error)))
     {
@@ -189,7 +190,8 @@ ide_editor_view_actions_save_cb (GObject      *object,
       ide_layout_view_set_failed (IDE_LAYOUT_VIEW (self), TRUE);
     }
 
-  dzl_gtk_widget_hide_with_fade (GTK_WIDGET (self->progress_bar));
+  if (self->progress_bar != NULL)
+    dzl_gtk_widget_hide_with_fade (GTK_WIDGET (self->progress_bar));
 }
 
 static void