[tracker] Fix compile warnings in tracker-fts.c

[Sam Thursfield <sthursfield src gnome org>]

commit ecf27eada17ad055901680d96b4f1871da209cf7
Author: Sam Thursfield <sam thursfield codethink co uk>
Date:   Tue Jan 21 11:40:00 2014 +0000

    Fix compile warnings in tracker-fts.c

 src/libtracker-fts/tracker-fts.c |    7 ++++---
 1 files changed, 4 insertions(+), 3 deletions(-)
---
diff --git a/src/libtracker-fts/tracker-fts.c b/src/libtracker-fts/tracker-fts.c
index bb31df4..c4fcedb 100644
--- a/src/libtracker-fts/tracker-fts.c
+++ b/src/libtracker-fts/tracker-fts.c
@@ -82,7 +82,8 @@ function_offsets (sqlite3_context *context,
                   int              argc,
                   sqlite3_value   *argv[])
 {
-       gchar *offsets, **names;
+       gchar *offsets;
+       const gchar * const * names;
        gint offset_values[4];
        GString *result = NULL;
        gint i = 0;
@@ -94,8 +95,8 @@ function_offsets (sqlite3_context *context,
                return;
        }
 
-       offsets = sqlite3_value_text (argv[0]);
-       names = (unsigned int *) sqlite3_value_blob (argv[1]);
+       offsets = (gchar *) sqlite3_value_text (argv[0]);
+       names = sqlite3_value_blob (argv[1]);
 
        while (offsets && *offsets) {
                offset_values[i] = g_strtod (offsets, &offsets);