notifier: Pass data argument to callback

This allows to pass additional information to the notifier callback
which is useful if sender and receiver do not share any other distinct
data structure.

Will be used first for the clock reset notifier.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/ui/sdl.c b/ui/sdl.c
index f2bd4a035b..6dbc5cb0ed 100644
--- a/ui/sdl.c
+++ b/ui/sdl.c
@@ -481,7 +481,7 @@ static void sdl_grab_end(void)
     sdl_update_caption();
 }
 
-static void sdl_mouse_mode_change(Notifier *notify)
+static void sdl_mouse_mode_change(Notifier *notify, void *data)
 {
     if (kbd_mouse_is_absolute()) {
         if (!absolute_enabled) {