[evolution] Possible crash while refreshing spellcheck

[Tomas Popela <tpopela src gnome org>]

commit bb0f760276be57e02ee048f09d9e83bde585e652
Author: Tomas Popela <tpopela redhat com>
Date:   Thu Mar 9 11:06:58 2017 +0100

    Possible crash while refreshing spellcheck
    
    Avoid possible crash if the BODY contains only text nodes and not any elements.
    Normally this can't happen unless the user drag and drops (or inserts) some HTML
    content that was not written in the composer and the composer mode is set to
    HTML.

 .../web-extension/e-editor-dom-functions.c         |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
---
diff --git a/src/modules/webkit-editor/web-extension/e-editor-dom-functions.c 
b/src/modules/webkit-editor/web-extension/e-editor-dom-functions.c
index 67bf33a..ec75482 100644
--- a/src/modules/webkit-editor/web-extension/e-editor-dom-functions.c
+++ b/src/modules/webkit-editor/web-extension/e-editor-dom-functions.c
@@ -695,6 +695,8 @@ e_editor_dom_force_spell_check_for_current_paragraph (EEditorPage *editor_page)
        e_editor_page_block_selection_changed (editor_page);
 
        parent = get_parent_block_element (WEBKIT_DOM_NODE (selection_end_marker));
+       if (!parent)
+               parent = WEBKIT_DOM_ELEMENT (body);
 
        /* Append some text on the end of the element */
        text = webkit_dom_document_create_text_node (document, "-x-evo-end");
@@ -704,6 +706,8 @@ e_editor_dom_force_spell_check_for_current_paragraph (EEditorPage *editor_page)
                NULL);
 
        parent = get_parent_block_element (WEBKIT_DOM_NODE (selection_start_marker));
+       if (!parent)
+               parent = WEBKIT_DOM_ELEMENT (body);
 
        /* Create range that's pointing on the end of this text */
        end_range = webkit_dom_document_create_range (document);