Remove a couple of redundant assignments and checks.  We already have the
desired source and destination paths, and we already know the kind of the
source subdir, so just cut to the chase and do the hotcopy.

* subversion/libsvn_fs_x/hotcopy.c
  (hotcopy_body): Don't recompute src_subdir and dst_subdir when we already have
                  them handy.


git-svn-id: https://svn.apache.org/repos/asf/subversion/trunk@1646613 13f79535-47bb-0310-9956-ffa450edef68