[grilo-plugins] tracker: Indentation fix

[Marinus Schraal <mschraal src gnome org>]

commit c8d78bccebe91576f31ffa1cbc9ed34dd2376a42
Author: Marinus Schraal <mschraal scr gnome org>
Date:   Fri May 27 16:16:25 2016 +0200

    tracker: Indentation fix
    
    https://bugzilla.gnome.org/show_bug.cgi?id=766587

 src/tracker/grl-tracker-utils.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/tracker/grl-tracker-utils.c b/src/tracker/grl-tracker-utils.c
index a6c3216..e631b12 100644
--- a/src/tracker/grl-tracker-utils.c
+++ b/src/tracker/grl-tracker-utils.c
@@ -204,7 +204,7 @@ grl_tracker_setup_key_mappings (void)
                       "nmm:albumTitle(nmm:musicAlbum(?urn))",
                       "audio");
 
-    insert_key_mapping (GRL_METADATA_KEY_ALBUM_DISC_NUMBER,
+  insert_key_mapping (GRL_METADATA_KEY_ALBUM_DISC_NUMBER,
                       NULL,
                       "nmm:setNumber(nmm:musicAlbumDisc(?urn))",
                       "audio");