[bijiben] shellSearchProvider fix two warnings for const string

[Pierre-Yves Luyten <pyluyten src gnome org>]

commit 721dbe398cf1fd3fbaf914f16faba53f4b028c90
Author: Pierre-Yves Luyten <py luyten fr>
Date:   Wed Jan 2 00:23:21 2013 +0100

    shellSearchProvider fix two warnings for const string

 src/bijiben-shell-search-provider.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/src/bijiben-shell-search-provider.c b/src/bijiben-shell-search-provider.c
index 263cfb1..c78d2ae 100644
--- a/src/bijiben-shell-search-provider.c
+++ b/src/bijiben-shell-search-provider.c
@@ -206,7 +206,8 @@ add_single_note_meta (BijibenShellSearchProviderApp *self,
                       GVariantBuilder *results)
 {
   GVariantBuilder note;
-  gchar *query, *result;
+  gchar *query;
+  const gchar *result;
   TrackerSparqlCursor *cursor;
 
   /* the WHERE nie:url query has a single result : the note which we're providing metadata */