[gnome-documents] lokview: Hack to not crash at start-up

[Pranav Kant <pranavk src gnome org>]

commit 298a856c5196e6e52bb64e060de232ddb0e8f986
Author: Pranav Kant <pranavk gnome org>
Date:   Tue Jan 19 00:28:40 2016 +0530

    lokview: Hack to not crash at start-up
    
    LOKDocView's reset_view crashes when no document is loaded. This
    hack prevents the crash till this is fixed in the widget.
    
    LibreOffice blocker bug:
    https://bugs.documentfoundation.org/show_bug.cgi?id=97235
    
    https://bugzilla.gnome.org/show_bug.cgi?id=753686

 src/lokview.js |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)
---
diff --git a/src/lokview.js b/src/lokview.js
index c23add9..87b3c14 100644
--- a/src/lokview.js
+++ b/src/lokview.js
@@ -208,7 +208,10 @@ const LOKView = new Lang.Class({
     reset: function () {
         if (!this.view)
             return;
-        this.view.reset_view();
+
+        // FIXME: https://bugs.documentfoundation.org/show_bug.cgi?id=97235
+        if (this._doc)
+            this.view.reset_view();
         this.set_visible_child_full('view', Gtk.StackTransitionType.NONE);
         this._copy.enabled = false;
     },