[mutter/wayland] display: Add some missing breaks

[Jasper St. Pierre <jstpierre src gnome org>]

commit 97eece6607a44268cdd27525ef588c3fe29f2d55
Author: Jasper St. Pierre <jstpierre mecheye net>
Date:   Tue Sep 3 15:57:05 2013 -0400

    display: Add some missing breaks
    
    If we somehow get an event with a wrong device ID, we should not
    be comparing bad event IDs.

 src/core/display.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/src/core/display.c b/src/core/display.c
index 7d67c2e..7a287b8 100644
--- a/src/core/display.c
+++ b/src/core/display.c
@@ -1876,14 +1876,17 @@ get_input_event (MetaDisplay *display,
         case XI_ButtonRelease:
           if (((XIDeviceEvent *) input_event)->deviceid == META_VIRTUAL_CORE_POINTER_ID)
             return input_event;
+          break;
         case XI_KeyPress:
         case XI_KeyRelease:
           if (((XIDeviceEvent *) input_event)->deviceid == META_VIRTUAL_CORE_KEYBOARD_ID)
             return input_event;
+          break;
         case XI_FocusIn:
         case XI_FocusOut:
           if (((XIEnterEvent *) input_event)->deviceid == META_VIRTUAL_CORE_KEYBOARD_ID)
             return input_event;
+          break;
         case XI_Enter:
         case XI_Leave:
           if (((XIEnterEvent *) input_event)->deviceid == META_VIRTUAL_CORE_POINTER_ID)