Fix some dangling pointers.
Fix some dangling pointers.

* subversion/libsvn_subr/spillbuf.c
  (svn_spillbuf__create, svn_spillbuf__reader_create):
    Track double-underscore function renames in comments, too.

git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@1173942 13f79535-47bb-0310-9956-ffa450edef68

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