[mutter] display: Fix return value of set_alarm_filter

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

commit 1c227baf8113d18a60e6eea10cf8eecf4bc25e33
Author: Jasper St. Pierre <jstpierre mecheye net>
Date:   Fri Sep 12 12:55:07 2014 -0600

    display: Fix return value of set_alarm_filter

 src/core/display-private.h |    6 +++---
 src/core/display.c         |    2 +-
 2 files changed, 4 insertions(+), 4 deletions(-)
---
diff --git a/src/core/display-private.h b/src/core/display-private.h
index f137363..759093b 100644
--- a/src/core/display-private.h
+++ b/src/core/display-private.h
@@ -484,8 +484,8 @@ void meta_display_cancel_touch (MetaDisplay *display);
 
 gboolean meta_display_windows_are_interactable (MetaDisplay *display);
 
-gboolean meta_display_set_alarm_filter (MetaDisplay    *display,
-                                        MetaAlarmFilter filter,
-                                        gpointer        data);
+ovid meta_display_set_alarm_filter (MetaDisplay    *display,
+                                    MetaAlarmFilter filter,
+                                    gpointer        data);
 
 #endif
diff --git a/src/core/display.c b/src/core/display.c
index 11cab2d..79720ed 100644
--- a/src/core/display.c
+++ b/src/core/display.c
@@ -3019,7 +3019,7 @@ meta_display_is_pointer_emulating_sequence (MetaDisplay          *display,
   return display->pointer_emulating_sequence == sequence;
 }
 
-gboolean
+void
 meta_display_set_alarm_filter (MetaDisplay    *display,
                                MetaAlarmFilter filter,
                                gpointer        data)