[rygel] server: Better check for localhost

[Jens Georg <jensgeorg src gnome org>]

commit 6bd892bc5a43fb5f526979cdd818ce12b8368bae
Author: Jens Georg <mail jensge org>
Date:   Mon Jan 14 13:41:29 2019 +0100

    server: Better check for localhost
    
    Delegate the checking of being local to GInetAddress.
    
    This should also catch more addresses in the 127/8 range, IPv6's ::1 and
    systems where the loopback device isn't lo (e.g. BSD with lo0)

 src/librygel-server/rygel-http-server.vala | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)
---
diff --git a/src/librygel-server/rygel-http-server.vala b/src/librygel-server/rygel-http-server.vala
index b0990e89..20e3eeb2 100644
--- a/src/librygel-server/rygel-http-server.vala
+++ b/src/librygel-server/rygel-http-server.vala
@@ -64,9 +64,7 @@ public class Rygel.HTTPServer : GLib.Object, Rygel.StateMachine {
         this.requests = new ArrayList<HTTPRequest> ();
         this.cancellable = content_dir.cancellable;
 
-        // FIXME: Needs adaptation for IPv6
-        this.locally_hosted = this.context.interface == "lo" ||
-                              this.context.host_ip == "127.0.0.1";
+        this.locally_hosted = this.context.get_address ().get_is_loopback ();
 
         this.path_root = "/" + name;
         this.replacements = new HashTable <string, string> (str_hash, str_equal);