Follow-up to r26917, accomodate Win32's lack of line buffering.
Follow-up to r26917, accomodate Win32's lack of line buffering.

* subversion/libsvn_subr/cmdline.c
  (svn_cmdline_init): Don't change the buffering mode of stdout to line
  based buffering on Windows (it's not supported).

Suggested by: epg
              jrepenning

jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion