[shotwell/month_formatter] Allow to localize month formatter

[Jordi Mas <jmas src gnome org>]

commit 1174c3b3741c736b185c15a490751f5e3e08fa74
Author: Jordi Mas <jmas softcatala org>
Date:   Sat Oct 12 21:47:25 2019 +0200

    Allow to localize month formatter

 src/dialogs/AdjustDateTimeDialog.vala | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/src/dialogs/AdjustDateTimeDialog.vala b/src/dialogs/AdjustDateTimeDialog.vala
index cf2685bb..757ac213 100644
--- a/src/dialogs/AdjustDateTimeDialog.vala
+++ b/src/dialogs/AdjustDateTimeDialog.vala
@@ -121,7 +121,7 @@ public class AdjustDateTimeDialog : Gtk.Dialog {
         var picker = new Gtk.Box(Gtk.Orientation.HORIZONTAL, 5);
         var combo = new Gtk.ComboBoxText();
         for (int i = 0; i < 12; i++){
-            combo.append_text(Time.gm((i * 2764800)).format("%B"));
+            combo.append_text(Time.gm((i * 2764800)).format(_("%B")));
         }
         picker.pack_start(combo, false, false, 0);
         // Limits taken from GtkCalendar