(Fw32_register_hot_key): Don't try to register

hot key if w32_parse_hot_key returned nil.

diff --git a/src/w32fns.c b/src/w32fns.c
index 501fb3917270fe9a917ff3091ef7f086aa495124..96c3ef3f7bc81ac616b94145728d429f786007a3 100644 (file)
--- a/src/w32fns.c
+++ b/src/w32fns.c
@@ -8233,7 +8233,7 @@ The return value is the hotkey-id if registered, otherwise nil.  */)
 {
   key = w32_parse_hot_key (key);
 
-  if (NILP (Fmemq (key, w32_grabbed_keys)))
+  if (!NILP (key) && NILP (Fmemq (key, w32_grabbed_keys)))
     {
       /* Reuse an empty slot if possible.  */
       Lisp_Object item = Fmemq (Qnil, w32_grabbed_keys);