[tracker] libtracker-data: Fix pointer sign warnings

[Sam Thursfield <sthursfield src gnome org>]

commit e460bbc172a3c822bf2b3fc63340186ae19eef5c
Author: Sam Thursfield <sam afuera me uk>
Date:   Thu Jun 23 23:48:53 2016 +0100

    libtracker-data: Fix pointer sign warnings

 src/libtracker-data/tracker-data-manager.c |    8 ++++----
 1 files changed, 4 insertions(+), 4 deletions(-)
---
diff --git a/src/libtracker-data/tracker-data-manager.c b/src/libtracker-data/tracker-data-manager.c
index 5a811bd..7540b06 100644
--- a/src/libtracker-data/tracker-data-manager.c
+++ b/src/libtracker-data/tracker-data-manager.c
@@ -2826,7 +2826,7 @@ create_decomposed_metadata_tables (TrackerDBInterface  *iface,
        TrackerProperty **properties, *property, **domain_indexes;
        GSList           *class_properties = NULL, *field_it;
        gboolean          main_class;
-       gint              i, n_props;
+       guint             i, n_props;
        gboolean          in_alter = in_update;
        GError           *internal_error = NULL;
        GPtrArray        *copy_schedule = NULL;
@@ -3271,7 +3271,7 @@ clean_decomposed_transient_metadata (TrackerDBInterface *iface)
 {
        TrackerProperty **properties;
        TrackerProperty *property;
-       gint i, n_props;
+       guint i, n_props;
 
        properties = tracker_ontologies_get_properties (&n_props);
 
@@ -3316,7 +3316,7 @@ tracker_data_ontology_import_finished (void)
 {
        TrackerClass **classes;
        TrackerProperty **properties;
-       gint i, n_props, n_classes;
+       guint i, n_props, n_classes;
 
        classes = tracker_ontologies_get_classes (&n_classes);
        properties = tracker_ontologies_get_properties (&n_props);
@@ -3342,7 +3342,7 @@ tracker_data_ontology_import_into_db (gboolean   in_update,
 
        TrackerClass **classes;
        TrackerProperty **properties;
-       gint i, n_props, n_classes;
+       guint i, n_props, n_classes;
 
        iface = tracker_db_manager_get_db_interface ();