Broken link to MSDN (#39814)

Fix broken link to MSDN site for FileSystemRights enumeration

+label: docsite_pr

(cherry picked from commit ea7883ef7e)

lib/ansible/modules/windows/win_acl.py

@@ -44,7 +44,7 @@ options:
     - The rights/permissions that are to be allowed/denied for the specified
       user or group for the item at C(path).
     - If C(path) is a file or directory, rights can be any right under MSDN
-      FileSystemRights U(https://msdn.microsoft.com/en-us/library/system.security.accesscontrol.filesystemrights=.aspx).
+      FileSystemRights U(https://msdn.microsoft.com/en-us/library/system.security.accesscontrol.filesystemrights.aspx).
     - If C(path) is a registry key, rights can be any right under MSDN
       RegistryRights U(https://msdn.microsoft.com/en-us/library/system.security.accesscontrol.registryrights.aspx).
     required: yes