[evolution/gnome-3-24] Warning could be printed if debug enabled for undo&redo

[Tomas Popela <tpopela src gnome org>]

commit 95c94ce8b0e85f16e1195ef96f5a46c3f90e28ea
Author: Tomas Popela <tpopela redhat com>
Date:   Thu Mar 30 17:13:01 2017 +0200

    Warning could be printed if debug enabled for undo&redo
    
    It could happen for the Return key press, where the fragment is not part
    of the event when it is added, but it's added later.

 .../web-extension/e-editor-undo-redo-manager.c     |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/modules/webkit-editor/web-extension/e-editor-undo-redo-manager.c 
b/src/modules/webkit-editor/web-extension/e-editor-undo-redo-manager.c
index 4aa8dc5..321d01a 100644
--- a/src/modules/webkit-editor/web-extension/e-editor-undo-redo-manager.c
+++ b/src/modules/webkit-editor/web-extension/e-editor-undo-redo-manager.c
@@ -147,7 +147,7 @@ print_history_event (EEditorHistoryEvent *event)
                        if (g_object_get_data (G_OBJECT (event->data.fragment), "history-control-key"))
                                printf ("          control\n");
                case HISTORY_INPUT:
-                       if (g_object_get_data (G_OBJECT (event->data.fragment), "history-return-key"))
+                       if (event->data.fragment && g_object_get_data (G_OBJECT (event->data.fragment), 
"history-return-key"))
                                printf ("    type: return\n");
                case HISTORY_REMOVE_LINK:
                case HISTORY_SMILEY: