pki: Switch to binary mode on Windows when reading/writing DER to FDs

src/pki/commands/signcrl.c

@@ -405,6 +405,7 @@ static int sign_crl()
 		error = "encoding CRL failed";
 		goto error;
 	}
+	set_file_mode(stdout, form);
 	if (fwrite(encoding.ptr, encoding.len, 1, stdout) != 1)
 	{
 		error = "writing CRL failed";