Follow-up to r1311469: fix typo in conversion function name
Follow-up to r1311469: fix typo in conversion function name

* subversion/libsvn_subr/config.c
  (svn_config_get_int64): use signed conversion instead of unsigned

Found by: philip

git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@1311794 13f79535-47bb-0310-9956-ffa450edef68

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