winhttp: Add zero value content length header to POST requests without additional data.
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@ -727,6 +727,7 @@ static BOOL send_request( request_t *request, LPCWSTR headers, DWORD headers_len
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static const WCHAR keep_alive[] = {'K','e','e','p','-','A','l','i','v','e',0};
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static const WCHAR no_cache[] = {'n','o','-','c','a','c','h','e',0};
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static const WCHAR length_fmt[] = {'%','l','d',0};
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static const WCHAR post[] = {'P','O','S','T',0};
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BOOL ret = FALSE;
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connect_t *connect = request->connect;
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@ -742,10 +743,10 @@ static BOOL send_request( request_t *request, LPCWSTR headers, DWORD headers_len
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if (connect->hostname)
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process_header( request, attr_host, connect->hostname, WINHTTP_ADDREQ_FLAG_ADD_IF_NEW, TRUE );
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if (optional_len)
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if (total_len || !strcmpW( request->verb, post ))
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{
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WCHAR length[21]; /* decimal long int + null */
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sprintfW( length, length_fmt, optional_len );
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sprintfW( length, length_fmt, total_len );
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process_header( request, attr_content_length, length, WINHTTP_ADDREQ_FLAG_ADD_IF_NEW, TRUE );
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}
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if (!(request->hdr.flags & WINHTTP_DISABLE_KEEP_ALIVE))
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