[gnome-clocks/gnome-3-22] Fix compilation

[Paolo Borelli <pborelli src gnome org>]

commit 489e66d25c7af8158c1a659cda77d8d9833c6e7b
Author: Paolo Borelli <pborelli gnome org>
Date:   Tue Feb 14 09:09:37 2017 +0100

    Fix compilation
    
    The compiler is now more picky about modifiers

 src/widgets.vala |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/widgets.vala b/src/widgets.vala
index 81a5627..b0065b0 100644
--- a/src/widgets.vala
+++ b/src/widgets.vala
@@ -537,7 +537,7 @@ private class SelectionMenuButton : Gtk.MenuButton {
                 if (n_items == 0) {
                     label = _("Click on items to select them");
                 } else {
-                    label = ngettext ("%d selected", "%d selected", n_items).printf (n_items);
+                    label = ngettext ("%u selected", "%u selected", n_items).printf (n_items);
                 }
                 menubutton_label.label = label;
             }