[patch, libfortran] PR33985 access="stream",form="unformatted" doesn't buffer

[FX Coudert]

Hi Jerry,

> The following patch regression tests fine on x86-64-Gnu-linux.
>
> With strace with Thomas' example in the PR we now get this:
>
> $ strace -etrace=write ./a.out
> write(3, "\0\1\2\3\4\5\6\7\10\t\n\v\f\r\16\17\20\21\22\23\24\25\26 
> \27\30\31\32\33\34\35\36\37"..., 256) = 256

The patch is OK to commit.

FX