[tracker] libtracker-extract: Ensure UTF-8 content in contact/tag helpers

[Carlos Garnacho <carlosg src gnome org>]

commit ebfbf4307d06b49b3d016f9e64f700fed700a515
Author: Carlos Garnacho <carlosg gnome org>
Date:   Sat Jul 16 17:23:31 2016 +0200

    libtracker-extract: Ensure UTF-8 content in contact/tag helpers
    
    Those are created from untrusted data in some places, better to ensure
    UTF-8 content in those.

 src/libtracker-extract/tracker-resource-helpers.c |    5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)
---
diff --git a/src/libtracker-extract/tracker-resource-helpers.c 
b/src/libtracker-extract/tracker-resource-helpers.c
index 95b92c6..496f31a 100644
--- a/src/libtracker-extract/tracker-resource-helpers.c
+++ b/src/libtracker-extract/tracker-resource-helpers.c
@@ -18,6 +18,7 @@
  */
 
 #include "tracker-resource-helpers.h"
+#include "tracker-guarantee.h"
 
 /**
  * SECTION:tracker-resource-helpers
@@ -89,7 +90,7 @@ tracker_extract_new_contact (const char *fullname)
        publisher = tracker_resource_new (uri);
 
        tracker_resource_set_uri (publisher, "rdf:type", "nco:Contact");
-       tracker_resource_set_string (publisher, "nco:fullname", fullname);
+       tracker_guarantee_resource_utf8_string (publisher, "nco:fullname", fullname);
 
        g_free (uri);
 
@@ -296,7 +297,7 @@ tracker_extract_new_tag (const char *label)
        tag = tracker_resource_new (uri);
 
        tracker_resource_set_uri (tag, "rdf:type", "nao:Tag");
-       tracker_resource_set_string (tag, "nao:prefLabel", label);
+       tracker_guarantee_resource_utf8_string (tag, "nao:prefLabel", label);
 
        g_free (uri);
        return tag;