fix the problem http request with '\0' and fixx query string in url

Fork of mbed-http by sandbox

Revision:
10:ec9b75c349aa
Parent:
7:2e3eedb9ca5c
--- a/source/https_request.h	Thu Mar 02 13:14:36 2017 +0100
+++ b/source/https_request.h	Fri Mar 03 10:51:56 2017 +0000
@@ -196,8 +196,8 @@
             return NULL;
         }
 
-        char* request = _request_builder->build(body, body_size);
-        size_t request_size = strlen(request);
+        size_t request_size = 0;
+        char* request = _request_builder->build(body, body_size, request_size);
 
         ret = mbedtls_ssl_write(&_ssl, (const unsigned char *) request, request_size);