master 3b39873ce21: Fix bootstrap failure

[Po Lu]

branch: master
commit 3b39873ce214bf58f23d0130c2df7308e69c656b
Author: Po Lu <luangruo@yahoo.com>
Commit: Po Lu <luangruo@yahoo.com>

    Fix bootstrap failure
    
    * lisp/man.el (Man-prefer-synchronous-call): Fix version
    specification.
---
 lisp/man.el | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lisp/man.el b/lisp/man.el
index 3ab9aa5b4dd..479bf9f9a3c 100644
--- a/lisp/man.el
+++ b/lisp/man.el
@@ -103,7 +103,7 @@ When this is non-nil, call the \"man\" program synchronously
 (rather than asynchronously, which is the default behavior)."
   :type 'boolean
   :group 'man
-  :version 30.1)
+  :version "30.1")
 
 (defcustom Man-filter-list nil
   "Manpage cleaning filter command phrases.