Remove unreachable code.
Remove unreachable code.

* subversion/svn/merge-cmd.c
  (svn_cl__merge): Remove code purporting to handle a no-targets merge
    command. There is always at least one target, otherwise we'd have
    thrown an error earlier in the function.


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@1189954 13f79535-47bb-0310-9956-ffa450edef68

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