Support silencing 'svnadmin lock', 'svnadmin unlock', and 'svnadmin rmlocks'.
Support silencing 'svnadmin lock', 'svnadmin unlock', and 'svnadmin rmlocks'.

This is both for parity with r1796288, and to make all svnadmin commands,
except for one-time opreations such as 'upgrade', take the -q option.

* subversion/svnadmin/svnadmin.c
  (cmd_table."lock",
   cmd_table."unlock",
   cmd_table."rmlocks"): Take the -q option.
  (subcommand_lock,
   subcommand_unlock,
   subcommand_rmlocks): Use it.

git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@1796406 13f79535-47bb-0310-9956-ffa450edef68

YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion