Fix list-processes typo with thread-name

* lisp/simple.el (list-processes--refresh):
Don’t assume thread-name succeeds (Bug#36163).

diff --git a/lisp/simple.el b/lisp/simple.el
index 6bc3bc5304c8d1f84e63ba99696f02a5aacdbe92..5e9d13f9f8663ff7c7054dd82592029863260d24 100644 (file)
--- a/lisp/simple.el
+++ b/lisp/simple.el
@@ -4102,7 +4102,8 @@ Also, delete any process that is exited or signaled."
                       (null (process-thread p))
                       (not (fboundp 'thread-name))) "--")
                     ((eq (process-thread p) main-thread) "Main")
-                    ((thread-name (process-thread p)))))
+                   ((thread-name (process-thread p)))
+                   (t "--")))
                  (cmd
                   (if (memq type '(network serial))
                       (let ((contact (process-contact p t)))