Rename a function, in preparation for moving it elsewhere.
Rename a function, in preparation for moving it elsewhere.

* subversion/libsvn_wc/wc_db.c
  (create_wcroot): Renamed from this...
  (svn_wc__db_pdh_create_wcroot): ...to this.
  [elsewhere]: Update callers.


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@946277 13f79535-47bb-0310-9956-ffa450edef68

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