files (e.g. "cp -a") to Windows servers. For mkdir and create honor setgid bit
on parent directory when server supports Unix Extensions but not POSIX
create. Update cifs.upcall version to handle new Kerberos sec flags
-(this requires update of cifs.upcall program from Samba).
+(this requires update of cifs.upcall program from Samba). Fix memory leak
+on dns_upcall (resolving DFS referralls).
Version 1.53
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