Make davautocheck work for OS X.
Make davautocheck work for OS X.

rpath support on OS X doesn't help us as much as it does on other platforms,
since it's trivial to be more explicit about this for all platforms go ahead
and do so.

* subversion/tests/cmdline/davautocheck.sh
  Iterate and build all the .libs paths for the DYLD_LIBRARY_PATH env variable.



git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@1421583 13f79535-47bb-0310-9956-ffa450edef68

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