bench: add chunked bytes

Reviewed-By: Fedor Indutny <fedor@indutny.com>

bench.c

@@ -25,7 +25,7 @@
 #include <sys/time.h>
 
 static const char data[] =
-    "GET /joyent/http-parser HTTP/1.1\r\n"
+    "POST /joyent/http-parser HTTP/1.1\r\n"
     "Host: github.com\r\n"
     "DNT: 1\r\n"
     "Accept-Encoding: gzip, deflate, sdch\r\n"
@@ -37,7 +37,8 @@ static const char data[] =
         "image/webp,*/*;q=0.8\r\n"
     "Referer: https://github.com/joyent/http-parser\r\n"
     "Connection: keep-alive\r\n"
-    "Cache-Control: max-age=0\r\n\r\n";
+    "Transfer-Encoding: chunked\r\n"
+    "Cache-Control: max-age=0\r\n\r\nb\r\nhello world\r\n0\r\n\r\n";
 static const size_t data_len = sizeof(data) - 1;
 
 static int on_info(http_parser* p) {