Clarity fix.
Clarity fix.

* subversion/libsvn_client/merge.c
  (do_directory_merge): If 'abs_added_path' is a child of 'abs_target_path',
   then 'abs_target_path' is the longest common ancestor.

Suggested by: julianfoad

jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion