[gnome-nibbles] Fix style

[Iulian Radu <iulianradu src gnome org>]

commit 430f6858d6a9e5632af98ed4260024cafb0a209c
Author: Michael Catanzaro <mcatanzaro gnome org>
Date:   Sun Sep 20 12:51:47 2015 -0500

    Fix style

 src/gnome-nibbles.vala |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/src/gnome-nibbles.vala b/src/gnome-nibbles.vala
index 329ad61..0baf4fd 100644
--- a/src/gnome-nibbles.vala
+++ b/src/gnome-nibbles.vala
@@ -474,7 +474,7 @@ public class Nibbles : Gtk.Application
 
         back_action.set_enabled (false);
 
-        headerbar.set_title (_("Level %d").printf(game.current_level));
+        headerbar.set_title (_("Level %d").printf (game.current_level));
         main_stack.set_visible_child_name ("game_box");
     }
 
@@ -674,7 +674,7 @@ public class Nibbles : Gtk.Application
             new_game_action.set_enabled (true);
             pause_action.set_enabled (true);
 
-            headerbar.set_title (_("Level %d").printf(game.current_level));
+            headerbar.set_title (_("Level %d").printf (game.current_level));
 
             restart_game ();
         });