[tracker] tracker-needle: Fix compile warning

[Sam Thursfield <sthursfield src gnome org>]

commit f3bdb8a4bf7a28030270cb8bb4ff1e6133da373e
Author: Sam Thursfield <sam afuera me uk>
Date:   Sat Mar 11 23:55:11 2017 +0000

    tracker-needle: Fix compile warning

 src/tracker-needle/tracker-needle.vala |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/tracker-needle/tracker-needle.vala b/src/tracker-needle/tracker-needle.vala
index 856d0d1..4c34346 100644
--- a/src/tracker-needle/tracker-needle.vala
+++ b/src/tracker-needle/tracker-needle.vala
@@ -21,7 +21,7 @@ using Gtk;
 using Atk;
 
 [CCode (cname = "TRACKER_UI_DIR")]
-extern static const string UIDIR;
+extern const string UIDIR;
 
 public class Tracker.Needle {
        private GLib.Settings settings_needle = null;