Make the stringbuf_from_aprfile() quickpath actually kick in.
Make the stringbuf_from_aprfile() quickpath actually kick in.

* subversion/libsvn_subr/io.c
  (stringbuf_from_aprfile): APR does not set the name but the fname field

git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@1544715 13f79535-47bb-0310-9956-ffa450edef68

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