[gvfs] afc: Add more debug when initialisation fails

[Bastien Nocera <hadess src gnome org>]

commit 54658d0c811adbcbebe652316cd1a2cb7814648e
Author: Bastien Nocera <hadess hadess net>
Date:   Wed Jun 8 15:49:42 2016 +0200

    afc: Add more debug when initialisation fails
    
    https://bugzilla.gnome.org/show_bug.cgi?id=767399

 monitor/afc/afcvolume.c |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)
---
diff --git a/monitor/afc/afcvolume.c b/monitor/afc/afcvolume.c
index e1731ee..545d1f4 100644
--- a/monitor/afc/afcvolume.c
+++ b/monitor/afc/afcvolume.c
@@ -140,7 +140,10 @@ _g_vfs_afc_volume_update_metadata (GVfsAfcVolume *self)
   } while (retries++ < 10);
 
   if (err != IDEVICE_E_SUCCESS)
-    return 0;
+    {
+      g_debug ("Failed to initialise an idevice_t (%d)\n", err);
+      return 0;
+    }
 
   if (self->service != NULL)
     {