[gnome-packagekit] Add some translator comments

[Richard Hughes <rhughes src gnome org>]

commit ac6dca1984db855abd844062b30506cfed4dd8c7
Author: Matthias Clasen <mclasen redhat com>
Date:   Wed Apr 10 22:54:09 2013 -0400

    Add some translator comments
    
    https://bugzilla.gnome.org/show_bug.cgi?id=687484
    
    Signed-off-by: Richard Hughes <richard hughsie com>

 src/gpk-common.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
---
diff --git a/src/gpk-common.c b/src/gpk-common.c
index 9eb0046..205202f 100644
--- a/src/gpk-common.c
+++ b/src/gpk-common.c
@@ -634,16 +634,20 @@ gpk_strv_join_locale (gchar **array)
        if (length == 1)
                return g_strdup (array[0]);
        else if (length == 2)
+                /* Translators: a list of two things */
                return g_strdup_printf (_("%s and %s"),
                                        array[0], array[1]);
        else if (length == 3)
+                /* Translators: a list of three things */
                return g_strdup_printf (_("%s, %s and %s"),
                                        array[0], array[1], array[2]);
        else if (length == 4)
+                /* Translators: a list of four things */
                return g_strdup_printf (_("%s, %s, %s and %s"),
                                        array[0], array[1],
                                        array[2], array[3]);
        else if (length == 5)
+                /* Translators: a list of five things */
                return g_strdup_printf (_("%s, %s, %s, %s and %s"),
                                        array[0], array[1], array[2],
                                        array[3], array[4]);