[tracker] Silence the ttl_loader.c script by default

[Sam Thursfield <sthursfield src gnome org>]

commit bdb9004c483c89ae34aa232965456cd48f143970
Author: Sam Thursfield <sam afuera me uk>
Date:   Sun Feb 26 23:15:14 2017 +0000

    Silence the ttl_loader.c script by default
    
    It clutters the build output when using Meson, and doesn't really
    add much of use in any case.

 docs/tools/ttl_loader.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/docs/tools/ttl_loader.c b/docs/tools/ttl_loader.c
index 02187fb..97e072a 100644
--- a/docs/tools/ttl_loader.c
+++ b/docs/tools/ttl_loader.c
@@ -342,7 +342,7 @@ ttl_loader_load_ontology (const gchar *ttl_file)
 {
        Ontology *ontology;
 
-       g_print ("Loading ontology... %s\n", ttl_file);
+       g_debug ("Loading ontology... %s\n", ttl_file);
        ontology = g_new0 (Ontology, 1);
        ontology->classes = g_hash_table_new_full (g_str_hash,
                                                   g_str_equal,