Fix a seg-fault in "svnadmin setuuid" when invoked with too many arguments.
Fix a seg-fault in "svnadmin setuuid" when invoked with too many arguments.

Found by: stsp

* subversion/svnadmin/main.c
  (subcommand_setuuid): Don't pass svn_error_createf() a null format string:
    use svn_error_create() instead.

jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion