[gnome-control-center/benzea/i18n-fixes] printers: Add context to printing options strings

[Benjamin Berg <bberg src gnome org>]

commit 7913e66a569981870f9e0924168daff71ea34766
Author: Benjamin Berg <bberg redhat com>
Date:   Tue Feb 26 18:50:25 2019 +0100

    printers: Add context to printing options strings
    
    These strings should have a context. The context "printing option" is
    chosen to match GTK+ which has the same strings for the same purpose.
    
    Fixes #394 for the printing panel

 panels/printers/pp-options-dialog.c | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)
---
diff --git a/panels/printers/pp-options-dialog.c b/panels/printers/pp-options-dialog.c
index a6747cfe2..9ded25478 100644
--- a/panels/printers/pp-options-dialog.c
+++ b/panels/printers/pp-options-dialog.c
@@ -80,12 +80,12 @@ static const struct {
   const char *keyword;
   const char *translation;
 } ppd_option_translations[] = {
-  { "Duplex", N_("Two Sided") },
-  { "MediaType", N_("Paper Type") },
-  { "InputSlot", N_("Paper Source") },
-  { "OutputBin", N_("Output Tray") },
-  { "Resolution", N_("Resolution") },
-  { "PreFilter", N_("GhostScript pre-filtering") },
+  { "Duplex", NC_("printing option", "Two Sided") },
+  { "MediaType", NC_("printing option", "Paper Type") },
+  { "InputSlot", NC_("printing option", "Paper Source") },
+  { "OutputBin", NC_("printing option", "Output Tray") },
+  { "Resolution", NC_("printing option", "Resolution") },
+  { "PreFilter", NC_("printing option", "GhostScript pre-filtering") },
 };
 
 /* keep sorted when changing */
@@ -277,7 +277,7 @@ ppd_option_name_translate (ppd_option_t *option)
   for (i = 0; i < G_N_ELEMENTS (ppd_option_translations); i++)
     {
       if (g_strcmp0 (ppd_option_translations[i].keyword, option->keyword) == 0)
-       return _(ppd_option_translations[i].translation);
+       return C_("printing option", ppd_option_translations[i].translation);
     }
 
   return option->text;