winex11: Initialize thread data in clip_cursor_notify.

[Sebastian Lackner]

X11DRV_CreateWindow() doesn't initialize the thread data, so we can receive
internal window messages before x11drv_init_thread_data() is called.

Fixes https://bugs.winehq.org/show_bug.cgi?id=36915

---
 dlls/winex11.drv/mouse.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dlls/winex11.drv/mouse.c b/dlls/winex11.drv/mouse.c
index 3a11b41..e462b55 100644
--- a/dlls/winex11.drv/mouse.c
+++ b/dlls/winex11.drv/mouse.c
@@ -452,7 +452,7 @@ void reset_clipping_window(void)
  */
 LRESULT clip_cursor_notify( HWND hwnd, HWND new_clip_hwnd )
 {
-    struct x11drv_thread_data *data = x11drv_thread_data();
+    struct x11drv_thread_data *data = x11drv_init_thread_data();
 
     if (hwnd == GetDesktopWindow())  /* change the clip window stored in the desktop process */
     {
-- 
2.5.0