[epiphany] sync-service: Improve an error message

[Michael Catanzaro <mcatanzaro src gnome org>]

commit c8fd73c8f2c28f7278477bb37bda64d6b88a3d4e
Author: Michael Catanzaro <mcatanzaro igalia com>
Date:   Sun Aug 27 16:51:24 2017 -0500

    sync-service: Improve an error message
    
    null is a meaningless technical term. We have two choices of string here
    to avoid breaking string freeze. This one seems best.

 lib/sync/ephy-sync-service.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/lib/sync/ephy-sync-service.c b/lib/sync/ephy-sync-service.c
index a11e0f9..fdf03a7 100644
--- a/lib/sync/ephy-sync-service.c
+++ b/lib/sync/ephy-sync-service.c
@@ -1453,7 +1453,7 @@ load_secrets_cb (SecretService   *service,
   }
 
   if (!(res && res->data)) {
-    message = _("The sync secrets for the current sync user are null.");
+    message = _("Could not find the sync secrets for the current sync user.");
     goto out_error;
   }