[epiphany/wip/ephy-sync] ephy-bookmark: Add comment regarding the modified timestamp

[Gabriel - Cristian Ivascu <gabrielivascu src gnome org>]

commit 40e0575953ae5a0e8a0dae390efd14babf347290
Author: Gabriel Ivascu <ivascu gabriel59 gmail com>
Date:   Mon Aug 29 20:11:58 2016 +0300

    ephy-bookmark: Add comment regarding the modified timestamp

 src/ephy-bookmark.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/src/ephy-bookmark.c b/src/ephy-bookmark.c
index d737e34..8fdb762 100644
--- a/src/ephy-bookmark.c
+++ b/src/ephy-bookmark.c
@@ -33,6 +33,8 @@ struct _EphyBookmark {
   GSequence   *tags;
   gint64       time_added;
 
+  /* Keep the modified timestamp as double, and not float, to
+   * preserve the precision enforced by the Storage Server. */
   char        *id;
   double       modified;
   gboolean     uploaded;