[mutter] native: Update to new constrain callback API

[Jonas Ådahl <jadahl src gnome org>]

commit 525644059d74276d2277a764052861ff665b8ae9
Author: Jonas Ådahl <jadahl gmail com>
Date:   Tue Jul 7 13:10:41 2015 +0800

    native: Update to new constrain callback API
    
    https://bugzilla.gnome.org/show_bug.cgi?id=744104

 src/backends/native/meta-backend-native.c |   10 ++++++----
 1 files changed, 6 insertions(+), 4 deletions(-)
---
diff --git a/src/backends/native/meta-backend-native.c b/src/backends/native/meta-backend-native.c
index 5a1c1b4..16d0bac 100644
--- a/src/backends/native/meta-backend-native.c
+++ b/src/backends/native/meta-backend-native.c
@@ -193,10 +193,12 @@ constrain_all_screen_monitors (ClutterInputDevice *device,
 
 static void
 pointer_constrain_callback (ClutterInputDevice *device,
-                           guint32             time,
-                           float              *new_x,
-                           float              *new_y,
-                           gpointer            user_data)
+                            guint32             time,
+                            float               prev_x,
+                            float               prev_y,
+                            float              *new_x,
+                            float              *new_y,
+                            gpointer            user_data)
 {
   MetaMonitorManager *monitor_manager;
   MetaMonitorInfo *monitors;