Give the svn_wc_diff_callbacks*_t wrappers more descriptive names.
Give the svn_wc_diff_callbacks*_t wrappers more descriptive names.

* subversion/libsvn_wc/deprecated.c: rename callbacks*_wrapper_baton to
    diff_callbacks*_wrapper_baton, callbacks*_wrapper to
    diff_callbacks*_wrapper and the wrapper functions to wrap_?to*_<basename>.

Approved by: stsp



git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@878547 13f79535-47bb-0310-9956-ffa450edef68

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