Fix Issue #2091: svnadmin error on Win98: Can't convert module path to UTF-8.  
Fix Issue #2091: svnadmin error on Win98: Can't convert module path to
UTF-8.  

* subversion/subversion/libsvn_subr/cmdline.c
  (svn_cmdline_init): if GetModuleFileNameW() fails, then fall back to the
  ANSI character version and convert it to Unicode.  This prevents
  ucs_path being passed uninitialized to apr_conv_ucs2_to_utf8().



git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@851557 13f79535-47bb-0310-9956-ffa450edef68

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