[gnome-control-center] Mark a string for translation. Fixes #612015

[Gabor Keleman <kelemeng src gnome org>]

commit f57c37091757c787a49399bcba1477a2af5a1045
Author: Gabor Kelemen <kelemeng gnome hu>
Date:   Mon Mar 8 21:43:19 2010 +0100

    Mark a string for translation. Fixes #612015

 capplets/appearance/gnome-wp-item.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/capplets/appearance/gnome-wp-item.c b/capplets/appearance/gnome-wp-item.c
index 900bbfb..2cf8c3c 100644
--- a/capplets/appearance/gnome-wp-item.c
+++ b/capplets/appearance/gnome-wp-item.c
@@ -269,7 +269,7 @@ void gnome_wp_item_update_description (GnomeWPItem * item) {
       size = g_strdup (_("multiple sizes"));
     else if (item->width > 0 && item->height > 0) {
       /* translators: x pixel(s) by y pixel(s) */
-      size = g_strdup_printf ("%d %s by %d %s",
+      size = g_strdup_printf (_("%d %s by %d %s"),
                               item->width,
                               ngettext ("pixel", "pixels", item->width),
                               item->height,