[epiphany] Add missing action to allow tab moving

[Michael Catanzaro <mcatanzaro src gnome org>]

commit 7f4ff867a40770b43571d6da3d1178ebab50ca27
Author: Jan-Michael Brummer <jan brummer tabos org>
Date:   Thu Dec 27 00:49:15 2018 +0100

    Add missing action to allow tab moving

 src/ephy-window.c | 2 ++
 1 file changed, 2 insertions(+)
---
diff --git a/src/ephy-window.c b/src/ephy-window.c
index 1fa912456..91db4fae5 100644
--- a/src/ephy-window.c
+++ b/src/ephy-window.c
@@ -820,6 +820,8 @@ static const GActionEntry tab_entries [] = {
   { "close", window_cmd_tabs_close },
   { "close-left", window_cmd_tabs_close_left },
   { "close-right", window_cmd_tabs_close_right },
+  { "move-left", window_cmd_tabs_move_left },
+  { "move-right", window_cmd_tabs_move_right },
   { "close-others", window_cmd_tabs_close_others },
   { "reload", window_cmd_tabs_reload },
   { "reopen", window_cmd_tabs_reopen_closed_tab },