new gfortran failures on MacOS X

[David Edelsohn]

>>>>> Jerry DeLisle writes:

Jerry> I just committed direct_io_6.f90 last night as part of the large file support. 
Jerry> Since this touches on libgfortran/io.h, it may be necessary to do a clean 
Jerry> bootstrap.  There is a pr out for dependencies not working right with io.h.  In 
Jerry> other words, make does not recompile everything in libgfortran/io when io.h changes.

	The failure is from a clean bootstrap.

David