[nautilus] pathbar: Add translator comments for new strings

[António Fernandes <antoniof src gnome org>]

commit 843943e5f810c5536320046c29c651eefc2a820b
Author: António Fernandes <antoniof gnome org>
Date:   Thu Jul 26 19:14:17 2018 +0100

    pathbar: Add translator comments for new strings

 src/nautilus-pathbar.c | 5 +++++
 1 file changed, 5 insertions(+)
---
diff --git a/src/nautilus-pathbar.c b/src/nautilus-pathbar.c
index 81c19fe4d..73ed7dd24 100644
--- a/src/nautilus-pathbar.c
+++ b/src/nautilus-pathbar.c
@@ -311,10 +311,15 @@ get_dir_name (ButtonData *button_data)
     {
         case ROOT_BUTTON:
         {
+            /* Translators: This is the label used in the pathbar when seeing
+             * the root directory (also known as /) */
             return _("Computer");
         }
+
         case ADMIN_ROOT_BUTTON:
         {
+            /* Translators: This is the filesystem root directory (also known
+             * as /) when seen as administrator */
             return _("Administrator Root");
         }