[mutter] window: don't ignore resize button release event for move/resize actions

[Lionel Landwerlin <llandwerlin src gnome org>]

commit ef4417b71770149f5dfc5080870d4d542df74b0b
Author: Lionel Landwerlin <llandwerlin gmail com>
Date:   Wed Oct 16 21:29:54 2013 +0100

    window: don't ignore resize button release event for move/resize actions
    
    https://bugzilla.gnome.org/show_bug.cgi?id=710251

 src/core/window.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/src/core/window.c b/src/core/window.c
index f5826bb..d7056a8 100644
--- a/src/core/window.c
+++ b/src/core/window.c
@@ -9706,7 +9706,8 @@ meta_window_handle_mouse_grab_op_event (MetaWindow *window,
   switch (xev->evtype)
     {
     case XI_ButtonRelease:
-      if (xev->detail == 1)
+      if (xev->detail == 1 ||
+          xev->detail == meta_prefs_get_mouse_button_resize ())
         {
           meta_display_check_threshold_reached (window->display,
                                                 xev->root_x,