Minor tuning of svnserve's log processing.
Minor tuning of svnserve's log processing.

* subversion/svnserve/serve.c
  (revision_receiver): Skip revprop filtering when we don't need it -
                       which is like 99% of the time.

git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@1731661 13f79535-47bb-0310-9956-ffa450edef68

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