* subversion/include/svn_io.h
  (svn_stream_data_available_fn_t): Tweak layout of declaration as the line
   break appears to confuse the SWIG build.


git-svn-id: https://svn.apache.org/repos/asf/subversion/trunk@1562044 13f79535-47bb-0310-9956-ffa450edef68