[metacity] frame: fix build warnings

[Alberts Muktupāvels <muktupavels src gnome org>]

commit 83316e1f851b3ebbcc461e632f2734db2f15ca59
Author: Alberts Muktupāvels <alberts muktupavels gmail com>
Date:   Sun Sep 20 05:45:46 2015 +0300

    frame: fix build warnings

 src/core/frame.c |   33 +++++++++++++++++++++++++++++++++
 1 files changed, 33 insertions(+), 0 deletions(-)
---
diff --git a/src/core/frame.c b/src/core/frame.c
index 22994a5..1258cef 100644
--- a/src/core/frame.c
+++ b/src/core/frame.c
@@ -51,6 +51,39 @@ prefs_changed_callback (MetaPreference preference,
         frame->need_reapply_frame_shape = TRUE;
         update_shape (frame);
         break;
+
+      case META_PREF_MOUSE_BUTTON_MODS:
+      case META_PREF_FOCUS_MODE:
+      case META_PREF_FOCUS_NEW_WINDOWS:
+      case META_PREF_ATTACH_MODAL_DIALOGS:
+      case META_PREF_RAISE_ON_CLICK:
+      case META_PREF_ACTION_DOUBLE_CLICK_TITLEBAR:
+      case META_PREF_ACTION_MIDDLE_CLICK_TITLEBAR:
+      case META_PREF_ACTION_RIGHT_CLICK_TITLEBAR:
+      case META_PREF_AUTO_RAISE:
+      case META_PREF_AUTO_RAISE_DELAY:
+      case META_PREF_THEME:
+      case META_PREF_TITLEBAR_FONT:
+      case META_PREF_NUM_WORKSPACES:
+      case META_PREF_KEYBINDINGS:
+      case META_PREF_DISABLE_WORKAROUNDS:
+      case META_PREF_BUTTON_LAYOUT:
+      case META_PREF_WORKSPACE_NAMES:
+      case META_PREF_VISUAL_BELL:
+      case META_PREF_AUDIBLE_BELL:
+      case META_PREF_VISUAL_BELL_TYPE:
+      case META_PREF_REDUCED_RESOURCES:
+      case META_PREF_GNOME_ACCESSIBILITY:
+      case META_PREF_GNOME_ANIMATIONS:
+      case META_PREF_CURSOR_THEME:
+      case META_PREF_CURSOR_SIZE:
+      case META_PREF_RESIZE_WITH_RIGHT_BUTTON:
+      case META_PREF_EDGE_TILING:
+      case META_PREF_FORCE_FULLSCREEN:
+      case META_PREF_PLACEMENT_MODE:
+      case META_PREF_ALT_TAB_THUMBNAILS:
+        break;
+
       default:
         break;
     }