Reduce the time it takes to perform a no-change commit in my test working copy (based on cmpilato's suggestion) by another 15% by avoiding property processing when we already know that the properties didn't change.
Reduce the time it takes to perform a no-change commit in my test working copy
(based on cmpilato's suggestion) by another 15% by avoiding property processing
when we already know that the properties didn't change.

* subversion/libsvn_client/commit_util.c
  (harvest_committables): Only call check_prop_mods() if the db tells us that
    the properties changed.


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@1084578 13f79535-47bb-0310-9956-ffa450edef68

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