[evince] ev-window: Add keybindings for special back/forward keys

[Germán Poo-Caamaño <gpoo src gnome org>]

commit 532583427f534b83b51488f34e5552882b042801
Author: Germán Poo-Caamaño <gpoo gnome org>
Date:   Tue Oct 3 13:35:16 2017 -0300

    ev-window: Add keybindings for special back/forward keys
    
    Back (former XF86Back) for previous page
    Forward (former XF86Forward) for next page
    
    https://bugzilla.gnome.org/show_bug.cgi?id=553892

 shell/ev-application.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/shell/ev-application.c b/shell/ev-application.c
index 263390c..6b1afa3 100644
--- a/shell/ev-application.c
+++ b/shell/ev-application.c
@@ -1068,8 +1068,8 @@ ev_application_startup (GApplication *gapplication)
           "win.go-forward",             "<Shift>Page_Down", NULL,
           "win.go-next-page",           "n", NULL,
           "win.go-previous-page",       "p", NULL,
-          "win.go-back-history",        "<alt>P", NULL,
-          "win.go-forward-history",     "<alt>N", NULL,
+          "win.go-back-history",        "<alt>P", "Back", NULL,
+          "win.go-forward-history",     "<alt>N", "Forward", NULL,
           "win.sizing-mode::fit-page",  "f", NULL,
           "win.sizing-mode::fit-width", "w", NULL,
           "win.open-menu",              "F10", NULL,