Don't use `let*' with just one binding

* lisp/registry.el (registry-reindex):
* lisp/emacs-lisp/generator.el (cps--add-state):
Use `let', not `let*'.

Author: lektu

lisp/emacs-lisp/generator.el

@@ -155,7 +155,7 @@ DYNAMIC-VAR bound to STATIC-VAR."
 (defun cps--add-state (kind body)
   "Create a new CPS state with body BODY and return the state's name."
   (declare (indent 1))
-  (let* ((state (cps--gensym "cps-state-%s-" kind)))
+  (let ((state (cps--gensym "cps-state-%s-" kind)))
     (push (list state body cps--cleanup-function) cps--states)
     (push state cps--bindings)
     state))

lisp/registry.el

@@ -317,7 +317,7 @@ Errors out if the key exists already."
 	     (message "reindexing: %d of %d (%.2f%%)"
 		      count expected (/ (* 100.0 count) expected)))
 	   (dolist (val (cdr-safe (assq tr v)))
-	     (let* ((value-keys (registry-lookup-secondary-value db tr val)))
+	     (let ((value-keys (registry-lookup-secondary-value db tr val)))
 	       (push key value-keys)
 	       (registry-lookup-secondary-value db tr val value-keys))))
 	 (oref db data))))))