Simplify code, removing redundant copying of a few bytes.
Simplify code, removing redundant copying of a few bytes.

* subversion/clients/cmdline/log-cmd.c
  (svn_cl__log) One assignment is better than four sub-assignments,
    three of which overlapped.


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@847322 13f79535-47bb-0310-9956-ffa450edef68

wbond/subversion,YueLinHo/Subversion,YueLinHo/Subversion,wbond/subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,wbond/subversion,wbond/subversion,wbond/subversion,YueLinHo/Subversion,wbond/subversion,wbond/subversion,YueLinHo/Subversion