the newest curl doesn't spew binary without --output option

[nasa9084]

twttering-icon-mode occur error 23 because curl does not spew binary without --output option since this commit: curl/curl@5385450.

some informations below:

$ curl --version
curl 7.55.1 (x86_64-pc-linux-gnu) libcurl/7.55.1 OpenSSL/1.1.0f zlib/1.2.11 libpsl/0.18.0 (+libicu/59.1) libssh2/1.8.0 nghttp2/1.23.1
Release-Date: 2017-08-14
Protocols: dict file ftp ftps gopher http https imap imaps pop3 pop3s rtsp scp sftp smb smbs smtp smtps telnet tftp 
Features: AsynchDNS IPv6 Largefile GSS-API Kerberos SPNEGO NTLM NTLM_WB SSL libz TLS-SRP HTTP2 UnixSockets HTTPS-proxy PSL 

$ emacs --version
GNU Emacs 26.0.50
Copyright (C) 2017 Free Software Foundation, Inc.
GNU Emacs comes with ABSOLUTELY NO WARRANTY.
You may redistribute copies of GNU Emacs
under the terms of the GNU General Public License.
For more information about these matters, see the file named COPYING.

installed twittering-mode version is 20170312.735 from melpa.