[gnome-software] trivial: Use dash in translatable string

[Kalev Lember <klember src gnome org>]

commit 11ae5f88734e62c2cc5cec4f1896d7516406a372
Author: Kalev Lember <klember redhat com>
Date:   Fri Sep 14 16:44:07 2018 +0200

    trivial: Use dash in translatable string
    
    ... as pointed out by mclasen on irc and in
    https://gitlab.gnome.org/GNOME/gnome-software/commit/f915a08f5a2d7952bdc44a66e4a21503ef9c5b53#note_316302

 src/gs-update-monitor.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/src/gs-update-monitor.c b/src/gs-update-monitor.c
index 80f05ff0..30b593a1 100644
--- a/src/gs-update-monitor.c
+++ b/src/gs-update-monitor.c
@@ -201,8 +201,8 @@ _build_autoupdated_notification (GsUpdateMonitor *monitor, GsAppList *list)
        if (gs_app_list_length (list_apps) > 0) {
                if (need_restart_cnt > 0) {
                        /* TRANSLATORS: apps were auto-updated and restart is required */
-                       title = g_strdup_printf (ngettext ("%u Application Updated: Restart Required",
-                                                          "%u Applications Updated: Restart Required",
+                       title = g_strdup_printf (ngettext ("%u Application Updated – Restart Required",
+                                                          "%u Applications Updated – Restart Required",
                                                           gs_app_list_length (list)),
                                                 gs_app_list_length (list));
                } else {