user32: Pass HWND_BOTTOM unmodified to the server in PeekMessage.

server/queue.c

diff --git a/server/queue.c b/server/queue.c
index cfe9818..938d7cf 100644
--- a/server/queue.c
+++ b/server/queue.c
@@ -636,7 +636,7 @@
 static int match_window( user_handle_t win, user_handle_t msg_win )
 {
     if (!win) return 1;
-    if (win == (user_handle_t)-1) return !msg_win;
+    if (win == -1 || win == 1) return !msg_win;
     if (msg_win == win) return 1;
     return is_child_window( win, msg_win );
 }