Use bool for menu_items_inuse

* src/menu.c (menu_items_inuse): Now bool, instead of a
Lisp_Object that is always Qt or Qnil.  All uses changed.

1 files changed, 2 insertions, 2 deletions

diff --git a/src/keyboard.h b/src/keyboard.h
index 0898c752ea4..65c7402ddb5 100644
--- a/src/keyboard.h
+++ b/src/keyboard.h
@@ -327,9 +327,9 @@ extern Lisp_Object item_properties;
    takes care of protecting all the data from GC.  */
 extern Lisp_Object menu_items;
 
-/* If non-nil, means that the global vars defined here are already in use.
+/* Whether the global vars defined here are already in use.
    Used to detect cases where we try to re-enter this non-reentrant code.  */
-extern Lisp_Object menu_items_inuse;
+extern bool menu_items_inuse;
 
 /* Number of slots currently allocated in menu_items.  */
 extern int menu_items_allocated;