master a83d8c9: Followup to recent changes in keyboard.c

[Eli Zaretskii]

branch: master
commit a83d8c9bbe5fbcdeccebfc54d72e1019a951fe52
Author: Eli Zaretskii <eliz@gnu.org>
Commit: Eli Zaretskii <eliz@gnu.org>

    Followup to recent changes in keyboard.c
    
    * src/keyboard.c (prev_kbd_event): Now defined only if HAVE_X11.
    
    * lisp/subr.el (while-no-input-ignore-events): Remove
    'buffer-switch': no longer used or defined.  (Bug#5803)
---
 lisp/subr.el   | 2 +-
 src/keyboard.c | 2 ++
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/lisp/subr.el b/lisp/subr.el
index c28807f..ed235ee 100644
--- a/lisp/subr.el
+++ b/lisp/subr.el
@@ -3964,7 +3964,7 @@ is allowed once again.  (Immediately, if `inhibit-quit' 
is nil.)"
 ;; Don't throw `throw-on-input' on those events by default.
 (setq while-no-input-ignore-events
       '(focus-in focus-out help-echo iconify-frame
-        make-frame-visible selection-request buffer-switch))
+        make-frame-visible selection-request))
 
 (defmacro while-no-input (&rest body)
   "Execute BODY only as long as there's no pending input.
diff --git a/src/keyboard.c b/src/keyboard.c
index 560d92c..dbca5be 100644
--- a/src/keyboard.c
+++ b/src/keyboard.c
@@ -384,11 +384,13 @@ next_kbd_event (union buffered_input_event *ptr)
   return ptr == kbd_buffer + KBD_BUFFER_SIZE - 1 ? kbd_buffer : ptr + 1;
 }
 
+#ifdef HAVE_X11
 static union buffered_input_event *
 prev_kbd_event (union buffered_input_event *ptr)
 {
   return ptr == kbd_buffer ? kbd_buffer + KBD_BUFFER_SIZE - 1 : ptr - 1;
 }
+#endif
 
 /* Like EVENT_START, but assume EVENT is an event.
    This pacifies gcc -Wnull-dereference, which might otherwise