Add simple test for base64 encode/streams.
Add simple test for base64 encode/streams.

* subversion/tests/libsvn_subr/stream-test.c
  (): Include svn_base64.h.
  (test_stream_base64): New.
  (test_funcs): Update test list.


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@1126444 13f79535-47bb-0310-9956-ffa450edef68

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