Revision 1871916

'svn log': Make the --quiet and --diff options not mutually exclusive.

Suggested by: wuzhouhui

Thread: https://mail-archives.apache.org/mod_mbox/subversion-users/201912.mbox/%3C6F22A510-BF0B-48DA-9EBD-BB5A22C720BB%40mails.ucas.ac.cn%3E
	Date: Sun, 22 Dec 2019 11:29:35 +0800
	From: wuzhouhui <wuzhouhui14@mails.ucas.ac.cn>
	To: Subversion <users@subversion.apache.org>
	Subject: Why option --diff and -q of svn log are mutually exclusive
	Message-Id: <6F22A510-BF0B-48DA-9EBD-BB5A22C720BB@mails.ucas.ac.cn>

* subversion/svn/log-cmd.c
  (svn_cl__log): As above.