Follow-up to r24811, fix test of implied merge source and target.
Follow-up to r24811, fix test of implied merge source and target.

* subversion/tests/cmdline/merge_tests.py
  (mergeinfo_inheritance_and_discontinuous_ranges): cd into the actual target
  of the merge, adjust expected output accordingly.

git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@864895 13f79535-47bb-0310-9956-ffa450edef68

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