[gedit] ViewFrame: fix a bug with the search context

[Sébastien Wilmet <swilmet src gnome org>]

commit c0b22e6a24ae4c6a055deca1cda9bb2feb9dc7ea
Author: Sébastien Wilmet <swilmet gnome org>
Date:   Fri Aug 16 15:29:05 2013 +0200

    ViewFrame: fix a bug with the search context

 gedit/gedit-view-frame.c |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)
---
diff --git a/gedit/gedit-view-frame.c b/gedit/gedit-view-frame.c
index ecca89b..ff2ff7f 100644
--- a/gedit/gedit-view-frame.c
+++ b/gedit/gedit-view-frame.c
@@ -215,6 +215,12 @@ get_search_context (GeditViewFrame *frame)
 
        doc = gedit_view_frame_get_document (frame);
        search_context = _gedit_document_get_search_context (doc);
+
+       if (search_context == NULL)
+       {
+               return NULL;
+       }
+
        search_settings = gtk_source_search_context_get_settings (search_context);
 
        if (search_settings == frame->priv->search_settings)