[totem] missing-plugins: Fix erroneous ngettext usage

[Bastien Nocera <hadess src gnome org>]

commit df0843ea203d02280a8cc43235a0da3579934285
Author: Matthias Clasen <mclasen redhat com>
Date:   Tue Mar 3 15:48:30 2015 -0500

    missing-plugins: Fix erroneous ngettext usage
    
    No need to wrap strings in ngettext calls in N_().
    
    https://bugzilla.gnome.org/show_bug.cgi?id=745480

 .../bacon-video-widget-gst-missing-plugins.c       |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/src/backend/bacon-video-widget-gst-missing-plugins.c 
b/src/backend/bacon-video-widget-gst-missing-plugins.c
index 7a8283f..ade7bf8 100644
--- a/src/backend/bacon-video-widget-gst-missing-plugins.c
+++ b/src/backend/bacon-video-widget-gst-missing-plugins.c
@@ -355,8 +355,8 @@ show_codec_confirmation_dialog (TotemCodecInstallContext *ctx,
                                         _("Unable to play the file"));
 
        descriptions_text = g_strjoinv (", ", ctx->descriptions);
-       message_text = g_strdup_printf (ngettext (N_("%s is required to play the file, but is not 
installed."),
-                                                 N_("%s are required to play the file, but are not 
installed."),
+       message_text = g_strdup_printf (ngettext ("%s is required to play the file, but is not installed.",
+                                                 "%s are required to play the file, but are not installed.",
                                                  g_strv_length (ctx->descriptions)),
                                        descriptions_text);