[gnumeric] Translation: add hint for PRIMARY vs CLIPBOARD selection

[Morten Welinder <mortenw src gnome org>]

commit 04a095c32e28330f4d767ace90746ecd489afbe4
Author: Morten Welinder <terra gnome org>
Date:   Sat Sep 3 14:17:00 2016 -0400

    Translation: add hint for PRIMARY vs CLIPBOARD selection

 src/dialogs/dialog-preferences.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/src/dialogs/dialog-preferences.c b/src/dialogs/dialog-preferences.c
index af490e1..844aef0 100644
--- a/src/dialogs/dialog-preferences.c
+++ b/src/dialogs/dialog-preferences.c
@@ -1112,6 +1112,7 @@ pref_copypaste_page_initializer (PrefState *state,
                                 page, row++,
                                 gnm_conf_set_cut_and_paste_prefer_clipboard,
                                 gnm_conf_get_cut_and_paste_prefer_clipboard,
+                                /* xgettext : see https://en.wikipedia.org/wiki/X_Window_selection#Clipboard 
*/
                                 _("Prefer CLIPBOARD Over PRIMARY Selection"));
 
        gtk_widget_show_all (page);