[epiphany] Bring back KP_4/KP_6 shortcuts behind <alt> modifier

[Michael Catanzaro <mcatanzaro src gnome org>]

commit 9df29733b5946616292201ff17ca2e4c827c85c3
Author: Michael Catanzaro <mcatanzaro gnome org>
Date:   Tue Oct 18 09:03:46 2016 -0500

    Bring back KP_4/KP_6 shortcuts behind <alt> modifier
    
    Looks like this is how the code originally worked.

 src/ephy-window.c |    8 ++++----
 1 files changed, 4 insertions(+), 4 deletions(-)
---
diff --git a/src/ephy-window.c b/src/ephy-window.c
index 8c8a9ff..0808a8d 100644
--- a/src/ephy-window.c
+++ b/src/ephy-window.c
@@ -124,11 +124,11 @@ const struct {
   { "tab.duplicate", { NULL } },
   { "tab.close", { "<Primary>W", NULL } }
 }, accels_navigation_ltr [] = {
-  { "toolbar.navigation-back", { "<alt>Left", "<alt>KP_Left", "Back", NULL } },
-  { "toolbar.navigation-forward", { "<alt>Right", "<alt>KP_Right", "Forward", NULL } }
+  { "toolbar.navigation-back", { "<alt>Left", "<alt>KP_Left", "<alt>KP_4", "Back", NULL } },
+  { "toolbar.navigation-forward", { "<alt>Right", "<alt>KP_Right", "<alt>KP_6", "Forward", NULL } }
 }, accels_navigation_rtl [] = {
-  { "toolbar.navigation-back", { "<alt>Left", "<alt>KP_Left", "Back", NULL } },
-  { "toolbar.navigation-forward", { "<alt>Right", "<alt>KP_Right", "Forward", NULL } }
+  { "toolbar.navigation-back", { "<alt>Left", "<alt>KP_Left", "<alt>KP_6", "Back", NULL } },
+  { "toolbar.navigation-forward", { "<alt>Right", "<alt>KP_Right", "<alt>KP_4", "Forward", NULL } }
 }, *accels_navigation_ltr_rtl;
 
 #define SETTINGS_CONNECTION_DATA_KEY    "EphyWindowSettings"