Устранено падение при открытии колонтитула (баг 25890).

git-svn-id: svn://192.168.3.15/activex/AVS/Sources/TeamlabOffice/trunk/OfficeWeb@57700 954022d7-b5bf-4e40-9824-e11837661b57

Word/Editor/Document.js

@@ -11593,11 +11593,14 @@ CDocument.prototype =
         if ( docpostype_HdrFtr === this.CurPos.Type )
         {
             var CurHdrFtr = this.HdrFtr.CurHdrFtr;
+            if ( null !== CurHdrFtr )
+            {
                 if ( docpostype_DrawingObjects === CurHdrFtr.Content.CurPos.Type )
                     DrawingObjects = this.DrawingObjects;
                 else
                     LogicDocument = CurHdrFtr.Content;
             }
+        }
         else if ( docpostype_DrawingObjects === this.CurPos.Type )
         {
             DrawingObjects = this.DrawingObjects;